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Time: 00:01:33

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Maths Quotes

Mathematicians are not born,they are made

A M ANKIT KALLURAYA

MATHEMATICS IS THE BUILDING BLOCK OF ALL SCIENCES AND ENGINEERING

Lukman Hussaini Tambuwal

Placed User Comments

M4Math helped me a lot.

Vipul Chavan 3 years ago

Thanks m4 maths for helping to get placed in several companies.
I must recommend this website for placement preparations.

yash mittal 4 years ago

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to (5 years ago) "Other"

Hello Dear
How are you doing,i am Elizabeth From United States i come across your profile today please contact me through my email KelleyElizabeth1@hotmail.com , please kindly write me back for better communication, i have something important i want to discuss with you,

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to (5 years ago) "Other"

avi tak kumari?...........................................

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(5 years ago) "Other"

Ratio between speeds of two trains is 5:3

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(5 years ago) "Other"

Give a model for maximising the profit in a company or minimising the loss in a conflict with
optimisation techniques.where quantity f(x) is referred to as the object function while the vector
‘x’consists of decision variables.

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(5 years ago) "Other"

In a class with boys and girls a chess competition was played wherein every student had to play 1 game with every other student. It was observed that in 36 matches both the players were boys and in 66 matches both were girls. What is the number of matches in which 1 boy and 1 girl paly against each other?

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(5 years ago) "Other"

If A, B and C are three positive integers such that A is greater than B and B is greater than C, then which of the following is definitely true? i. A% of B is greater than B% of C. ii. B% of A is greater than C% of B iii. C% of A is greater than B% of C

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(5 years ago) "Other"

it is very useful for me

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(5 years ago) "Other"

6,9,18,6,36,3,54,?

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(5 years ago)

1*6=6
6*3=18
6*6=36
6*9=54
so my guess answer is 1.

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(5 years ago)

The avg of temperature from Monday to Wednesday was 37°c and from Tuesday to Thursday was 34°c. If the temperature on Thursday was 4/5th of that of Monday. What was the temperature of Thursday?

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(5 years ago) "Other"

6.In triangle PQR, PQ=6 cm,PR=8 cm and QR=12 cm. Calculate the area of the triangle PQR.

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(5 years ago) "Other"

IF 11=35 THEN 17=?

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(5 years ago) "Other"

I need help in solving this sequence:

24, 333333, ?, ?, 53, 44444444, 82, ?, ?, 222244444444, ?, ?, ?, 444433333322221

reposting this because I wanted to add more informations. Now by taking a look at the numbers that preceed 333333 and 44444444,we can see that 2+4=6 and after that we can see that 333333 is made of 6 numbers, the same goes for 5+3=8 we have 8 numbers 4 there.

Now take a look at 53, 44444444, 82 you can see that the number that preeceds 44444444 is 82-30+1=53 so i just assumed that for the next number we should use 82+30-1=111 11+1=12 222244444444 has 12 numbers and the criteria starts working now we do the same 111+30-1=140 and we put it right after 222244444444 ,then we do again 140+30-1 we firstly do 140+30=170 now we subtract -1 from 0 and for some reasons it becomes 16-1 now 16-1=15 and 444433333322221 has 15 numbers so by substituting these values from the original sequence we get this one:

24, 333333, K, ?, 53, 44444444, 82, ?, 111, 222244444444, 140, ?, 16-1, 444433333322221

I'm unsure about k,because by using my criteria that should have been 24+30-1=53 but we find that later before 44444444. The only thing i know is that after 82 we need a 10 digit number,because of 8+2=10, after 140 we need a 14 digits number please help me

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(5 years ago) "Other"

If any one has to minces papers please send to me.

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(5 years ago) "Other"

Anyone has IBM placement papers.Kindly share it on anubhab961@gmail.com

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to (5 years ago) "Other"

vikas i have ibm exam on 10 th jan....u pls send papers my mail id is:sowmyareddigade2511@gmail.com

thanks...

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(5 years ago) "Other"

i want to place in cts

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to (5 years ago) "Other"

two trains for Palwal leave Kanpur at 10a.m and 10:30 am and travel at the speeds of 60 kmph
and 75 kmph respectively. After how many kilometres from Kanpur will the two trains be together?

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(5 years ago)

After 150 kilometres from Kanpur, the two trains will be together.

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to (5 years ago) "Other"

Q. A person has 14 red socks and 14 white socks in a drawer. What is the minimum number of socks that he should take to get a correct pair?.can u send me solution for this

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(5 years ago)

Answer is 3
If you pick 2 socks then chances are that both are of two different colors.
When you pick 3 for sure two would be of the same color (as the socks are only of two colors Red and White)

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(5 years ago) "Other"

Are Natural numbers Polynomials..?

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to (5 years ago) "Other"

a cube is dipped in a tank of red paint up to half its height.it is than reverse and dipped in green paint upto half its heights.tha the top and the bottom faces of the cube are painted with blue and yellow respectively. this cube is cut into 27 samll intentical cubes
@. how many small cube have two colors on them.

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to (5 years ago) "Other"

Reply Like? Yes (1) | No

(5 years ago) "Other"

I want answer plz give me

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(5 years ago) "Other"

It is a question :
Are natural,whole & 0 polynomials
If yes then why

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(5 years ago) "Other"

11, 41, 53 Complete the series?

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(5 years ago) "Other"

person earns Rs. 2000 per month over and above his salary as additional charge allowance. However, 30% of this additional income will be deducted as additional income tax at source. If the person would deposit Rs. 1000 per month on a long term saving fetching 12% interest his tax liability on the additional allowance would reduce to 10%. What is the effective interest for this person for money invested in the long term savings scheme?

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(5 years ago)

If he will not invest Rs 1000, per month, balance amount left with him after tax= Rs 1400/-
After investing Rs 1000/- per month, balance amount after tax and investment = Rs. 800/-
So effectively, he paid Rs. 600 for investment of Rs 1000 for which he is getting annual interest of Rs. 120.
so effective rate of interest = 120*100/600= 20%

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(5 years ago) "Other"

What is an array

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(5 years ago) "Other"

If two kinds of wheat costing Rs.17 per kg and Rs.24 per kg are mixed in the ratio of 4:3, then find the cost of the mixture per kg(in Rs)?

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(5 years ago)

Rs 20 per kg
cost of the mixture per kg(in Rs) = (17*4+24*2)/7= 140/7=Rs 20 per kg

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to (5 years ago) "Other"

Can anyone tell me the topics i have to read for 27th exam dec 2018.

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(5 years ago) "Other"

Please check the result of 'Today's puzzle'dated 25.12.2018.
Sum of 60,66,68, 71 and 72 is not equal to 410 ( in normal mathematics).

If there is some other logic, please guide everyone.

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(5 years ago)

I think a,b,c,d, e are different positive numbers.

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(5 years ago)

Thanks a lot for correcting the mistake regarding solution of 'Today's Puzzle ' dated 25.12.2018.

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to (5 years ago) "Other"

enga veelaki porenga?

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to (5 years ago) "Other"

What are doing now?

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(5 years ago) "Other"

What is the third term in a sequence of numbers that leave remainders of 1, 2 and 3 when divided by 2, 3 and 4, respectively? (a) 13 (b) 17 (c) 19 (d) 35

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(5 years ago)

The numbers are 11,23,35,47
Third number in sequence is 35.

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(5 years ago) "Other"

Three friends divided some bullets equally. After each of them shot 4 bullets, total number of bullets remaining is equal to the bullets each had after division. Find the original number of bullets:
(a) 15
(b) 17
(c) 20
(d) 18

Reply Like? Yes (2) | No

(5 years ago)

18

Each had 6 bullets after division.
After each of them shot 4 bullets, each one had 2 bullets now and hence total number of bullets remaining (2x3=6) is equal to the bullets each had after division (6).

to solve it
if x is number of bullets with each person after division, then
3*(x-4)=x
x=6

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(5 years ago) "Other"

a monkey wants to reach top of pole of 21m height. it rides 2m in 1min and in 2nd min it is slipped by 1.5m. Time taken by monkey to reach the top of pole is

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(5 years ago)

39 minutes
In 2 minutes , it climbs 0.5 mtrs.
in 38 minutes, it will climb 19 mtrs.
in 39th minute, it will climb 2 mtrs at 21m level and reach at top.

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(5 years ago) "Other"

good platform...........................

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(5 years ago) "Other"

A group of 4 members are selected from a group of 3 trainees. 3 of them are engineers and 5 of them are managers. What is the probability that exactly 3 are managers to get selected?
1. 5/7
2. 4/7
3. 3/7
4. 6/7

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to (5 years ago) "Other"

Two taps can fill a tank in 10 and 8 hours respectively. A third tap can empty it in 15 hours. If all taps are opened together, the tank will be filled in ?

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(5 years ago) "Other"

What is the unit digit in the product (684 x 759 x 413 x 676)?

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(5 years ago)

Multiply unit digits of all numbers to get unit digit of final product.

4x9x3x6= 648 .. so unit digit is 8.

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(5 years ago) "Other"

The arithmetic mean of two numbers is smaller by 24 than the larger of the two numbers and the GM of the same numbers exceeds by 12 the smaller of the numbers.Find the numbers.(Kindly provide the solution as well)

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(5 years ago) "Other"

pratian technology interview process

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(5 years ago) "Other"

2000 PEOPLE LIVED IN A VILLAGE IN 1975 .In 1981 the male population has increased by 10% and the female population has decreased by 6% ,but the total population has remained unchanged .The number of male in 1975 was?

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(5 years ago) "Other"

Lcm of 36/11,24 ,36 is ? And explain it please

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(5 years ago) "Other"

10.There are three cities A, B and C. Two ways to reach C from A or B. Shortest distance from A to B is 66 km. Shortest
distance from B to C is 45 km. Shortest distance from A to C is 50 km. There is another city called P. Shortest distance from
P to A is 180 km. Shortest distance from P to B is 200 km. Find the shortest distance between P to C. a) 230 b) 245 c)
291 d) 430

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(5 years ago) "Other"

3,11,31,69,131-----n.write a program for this series where n is the output

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(5 years ago)

n = t^3 +(t+1) where n is the t th term of series.

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(5 years ago) "Other"

I got selected for IBM gbs on Oct 27 when will. I receive my offer letter. ..its been two months

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(5 years ago) "Other"

Pratian technologies previous papers

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(5 years ago) "Other"

Can anyone of you please tell me the updated placement pattern of DBS Bank, Hyderabad and if you have any placement paper regarding this kindly, please share here.

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(5 years ago) "Other"

Can anyone of you please tell me the updated placement pattern of DBS Bank, Hyderabad and if you have any placement paper regarding this kindly, please share with me.

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(5 years ago) "Other"

how can we the answer of all placement papers,please reply soon

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to (5 years ago) "Other"

Social scientists have found that people who marry young are seldom prepared for marital roles. Also the men and women who marry as young adults live longer than those who never marry. According to a study, young adults who are about to get married have fewer unhealthy habits, like smoking and uncontrolled drinking of alcohol, as compared with the other people of the same age.

1)The institution of marriage forces young men and women to quit smoking and drinking
2)Those who marry at an older age live a shorter life than those who get married at a younger age.
3)People who marry at an older age are well prepared to take up marital roles
4) Young adults who are not about to marry are more likely to have unhealthy habits than those who are about to marry.

Reply Like? Yes (1) | No

(5 years ago) "Other"

GoldenRB is a streaming music radio station providing 24/7 contemporary jazz music, classic r&b songs, latest gospel music online. Listen now!!

website:https://goldenrb.com/

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(5 years ago) "Other"

There are three cities A, B and C. Two ways to reach C from A or B. Shortest distance from A to B is 66 km. Shortest distance from B to C is 45 km. Shortest distance from A to C is 50 km. There is another city called P. Shortest distance from P to A is 180 km. Shortest distance from P to B is 200 km. Find the shortest distance between P to C.

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(5 years ago)

Shortest distance between P to C is 135 km
A-->c=50
B-->C=45
P-->A=180
P-->B=200
P-->C=P-->A-->C=180+45=35
Again,
P-->C=P-->B-->C=200+50=250

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(5 years ago) "Other"

Does wipro nlth 2019 sends second phase shortlisted candidates result or not

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(5 years ago)

May be result not out

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(5 years ago) "Other"

can anyone please provide some recently asked questions of accenture written test.I had found in this website but they are pretty old

your help definitely apperciated
Thank you

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(5 years ago) "Other"

8 men and 10 women are working together on a job and can complete it in 10 days. The work done by each woman is four-fifth of the work by each man. In how many days 10 men alone can complete the same work?

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(5 years ago)

Ans: 16 Days

Total Work = (8m + 10w)*10
Given, w=(4/5)m
So, total work in terms of m = [8m + 10*(4/5)m]*10 = 160m
Hence time taken for 10 men=160m / 10m = 16 Days.

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(5 years ago) "Other"

4 kg of rice at 5 kg is mixed with 8 kg of rice at 6 per kg. Find the average price of the mixture.

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(5 years ago)

guyz someone please solve these sums for me....

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(5 years ago)

Ans: Rs. 5.66

Average price=(4*5 + 8*6)/(4+8)=68/12=5.66

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(5 years ago) "Other"

Rohit brushed quickly past an elderly woman waiting on the platform ahead of him to get onto the metro. He wanted to be sure to get a seat to read his Economic Times. As the train rolled out of the station, he lifted his head from the newspaper
and stared at the man directly across from him.
A tsunami - of antipathy came over him. Rohit knew this man, knew him all too well.
Their eyes locked.
As the train reached full speed, the ruckus of speeding wheels against the winding
rails and a wildly gyrating subway car filled Rohit's ears. To this frenetic beat, Rohit
effortlessly listed in his head all the reasons this man, whose eyes he stared coldly
into, was an anathema to him.
He had climbed the upper echelons of his firm using an imperious manner with his
subordinates, always making sure everyone knew he was the boss.
Despite his impoverished upbringing, he had become ostentatious. Flush with cash
from the lucrative deals he had made, he had purchased a yacht and a home in
Mumbai. He used neither. But, oh, how he liked to say he had them. Meanwhile,
Rohit knew, this man's parents were on the verge of being evicted from their rundown
tenement apartment in Allahabad.
What bothered Rohit most about this man was that he never even attempted to make amends for his evil ways.
Could this man change? Rohit did not know. He could try though.
The train screeched to Rohit's stop. He gave the man one last hard look. "See you
around," he mumbled to himself. And he knew he would, because Rohit had been
glaring at his own reflection in the glass in the metro.
It would take years of hard work and therapy, but Rohit would one day notice this
man again on the train and marvel at what a kinder person he had become.
I) Why did a tsunami of antipathy come over Rohit?
a) Because he was angry at himself and unable to stand looking at himself
b) Because the man sitting across him was his former boss who treated him badly
c) Because he wanted to read his newspaper and not be disturbed, especially by someone he disliked d) Because the guy sitting across him was financially better off than Rohit

II)What does it mean to have an imperious manner with underlings?
opt.
1.To ignore them

2.To be stoic around them

3.To openly humiliate them

4.To not be affected by them

5.To be domineering towards them
III)Which statement makes most sense from what is said in the paragraph?
a) Rohit has few friends b) Rohit knows himself well
c) Rohit has had a difficult life d) Rohit is incapable of change

IV) What was the biggest reason (stated or implied) for Rohit disliking the man in the metro?
a) The man was known to be extremely rude and domineering especially with his subordinates
b) The man was remorseless and had not made any effort to reform himself for the better
c) The man did not bother to take care of his parents who were on the verge of being evicted from their humble dwelling
d) The man did not have respect for things or money and while people did not have a place to stay, he had bought a flat which he did not even use
Iv) What does it mean to have an imperious manner with underlings?
a)To ignore them b)To be stoic around them
c)To openly humiliate them d)To not be affected by them
e)To be domineering towards them

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(5 years ago) "Other"

Hi everyone,can anyone help me with Accenture technical round for angular profile.kindly reply

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(5 years ago)

Anyone there? kindly reply parso interview hai dosto

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(5 years ago) "Other"

Is anyone having IBM material, pls send it to me at meera.p.priya@gmail.com Thanks in advance.

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(5 years ago) "Other"

Age of son is 24

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(5 years ago) "Other"

does ibm questions will be repeated or not

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(5 years ago) "Interview"

.anyone can answer this question
It takes 140 minutes to copy 480 files onto a hard disk using one back-up device. To speed up the process, a second identical back-up device is added and used to copy half of the files. If the first device starts operating at 9:00 p.m. and the second device starts 15 minutes later, what time will it be when all 480 files have been copied onto the hard drive?

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to (5 years ago) "Other"

hey please mail me IBM Prep Material i have drive after 3 days.....niteshthakur1996@gmail.com

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(5 years ago)

please send the materials to me also kparvathi121@gmail.com

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(5 years ago) "Other"

I'm placed in IBM and all the credit goes to m4maths. This is the best site ever for placement preparation . Thanks a lot m4maths.

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(5 years ago)

does questions are repeated from previous years

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(5 years ago)

Repeated question or different, pls share ur experience and materials with me at meera.p.priya@gmail.com Thanks in advance

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(5 years ago) "Other"

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to (5 years ago) "Other"

2, 35, 104, 209, ? .. what will be next after 209. Please explain with logic

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(5 years ago)

2, 35, 104, 209

Difference between 2nd and 1st, = 35 - 2 = 33

Between 3rd and 2nd = 104 - 35 = 69

Between 4th and 3rd = 209 - 104 = 105

Now, difference between the values obtained -

69 - 33 = 36

105 - 69 = 36

It is clearly seen that the difference is increasing by 36.

So, the next number in the series will be = (105 + 36) + 209

= 141 + 209

= 350

Hence, the next number in the series is 350

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(5 years ago) "Other"

What will be next in the series 2, 35, 104, 209, ?

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(5 years ago) "Other"

An investment earns 4 paisa per rupee invested. If at
the end of the year, the interest earned by an investment
is Rs.100, then the investment is equal to
(a) Rs.2,000 (b) Rs.2,200 (c) Rs.1,000
(d) Rs.2,500 (e) Rs.4,000

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(5 years ago)

The investment is equal to Rs 2500/-.

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(5 years ago) "Other"

please give me information about eltimus

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to (5 years ago) "Other"

Ms.Rathi , if u post the answer with proper solution, it will be easy to understand

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(5 years ago) "Other"

Work out the 100th number of the sequence 1223334444

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(5 years ago)

100th digit in sequence will be 1.

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(5 years ago) "Other"

A man can row 3 km in an hour in still water and he finds that it takes twice the time in rowing down

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(5 years ago) "Other"

A function f satisfies f(0) = 0, f(2n) = f(n), and f(2n + 1) = f(n) + 1 for all positive integers n. What is the value of f(2018)?

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(5 years ago) "Other"

An Aeroplane has four emergency exits. In an emergency it requires 8
seconds per passenger to evacuate the plane, if the hand baggage is not
carried by the passenger. How long will it take to eliminate 53 passengers in
an emergency?

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(5 years ago)

It will take 112 seconds to evacuate all 53 passengers

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(5 years ago) "Other"

what is the value of n to make 16^41+2^7925+16^n a perfect square

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(5 years ago)

= 2^(4*41) +2^7925 +2^(4*n)
= 2^(164) + 2^7925 + 2^(4*n)
compare it with a^2 +2ab+b^2
= (2^82)^2 + 2*2^82 * 2^2*n + (2^2*n)^2
so, 2*2^82 * 2^2*n =2^7925
or, 2^82 * 2^2*n =2^7924
or, 2^(82+2n) =2^7924
or, 82+2n =7924
or, 2n =7842
or, n =3921.

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(5 years ago) "Other"

the principal increases to 169/144 times its initial Value in two years at compound interest, then a principal of Rs. 14,400 loaned for a year at the same interest will amount???

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(5 years ago) "Other"

A photographer offered to supply 12 copies and 20 copies for Rs.60 and Rs.80 respectively, and then his profits will be Rs.5 and Rs.7 respectively. What amount will he get to supply 30 copies in order to make a profit of Rs.10?

1) Rs.90
2) Rs.96
3) Rs.105.50
4) Rs.108

Reply Like? Yes (4) | No

(5 years ago)

S.P of 12=₹60
Profit=₹5
C.P of 12=₹55
S.P of 20=₹80
Profit=₹7
C.P of 20= ₹73
C.P of 8(20-12)=₹73-₹55=₹18
C.P of 12=₹27
Base Price=₹55-₹27=₹28
C.P of 30=30*2.25=₹67.5
Base Price=₹28
Total C.P=₹95.5
S.P=₹95.5*1.1=₹105.05(Which was not given)

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to (5 years ago) "Other"

Sir pls send tcs questions kroushan559@gmail.com

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(5 years ago) "Other"

a train after travelling 150 km meets with an accident and then proceeds at3/5 of its former speed and arrives at its destination 8 hours late.

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(5 years ago)

Better late than never.
What's the question?

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(5 years ago) "Other"

Vibrio cholerae causes cholera in humans. Ganga water was once used successfully to combat the infection. The
possible reason could be–
(A) High salt content of Ganga water
(B) Low salt content of Ganga water
(C) Presence of bacterophases in Ganga water
(D) Presence of antibiotics in Ganga Water

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(5 years ago) "Other"

From a group of 8 women and 6 men, a committee consisting of 3 men and 3 women is to be formed. In how many ways can the committee be formed if two of the men refuses to serve together?
800
725
896
850
757

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(5 years ago)

In 896 ways the committee can be formed if two of the men refuses to serve together.

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(5 years ago) "Other"

10 hectare field is reaped by 2 men, 3 women and 4 children together in 10 days. If working capabilities of a man, a woman and a child are in the ratio 5:4:2, then a 16 hectare field will be reaped by 6 men, 4 women and 7 children in how many day??

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(5 years ago)

a 16 hectare field will be reaped by 6 men, 4 women and 7 children in 8 days.

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(5 years ago) "Other"

Initially, when Sona and Tina left for a shopping expedition , Sona had three times the money than Tina had. They bought things amounting to Rs. 480 altogether, out of which Tina’s share was 65%. At the end of shopping, Sona was left with 4 times the amount that Tina had. What was the amount with Tina at the beginning

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(5 years ago)

Initially Tina had Rs. 1080 and Sona had Rs. 3240/-.

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(5 years ago)

Tina=x, sona =3x
Tina +sona=rs.480
Tina =65%of 480, sona=4*tina
Tina= (65/100)*480=312
Tina+sona=480-312=168
(X-312):(3X-168)=1:4
X=1080

Like? Yes (1) | No (1)

(5 years ago) "Other"

AGE+ AGE= GOOL so,
What is OO+ AE

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(5 years ago)

Answer is LA and the value is 86

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(5 years ago)

AGE+ AGE= GOOL
614+614= 1228
OO+AE= 22+64=86 = LA

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(5 years ago) "Other"

A is one of 6 horses

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(5 years ago) "Question"

What is the number of positive integers less than or equal to 2017 that have at least one pair of adjacent digits that are both even. For example 24,564 are two examples of such numbers while 1276 does not satisfy the required property.

Answer: 738 asked in tcs

Reply Like? Yes | No

(5 years ago) "Question"

A 70 foot pole stands vertically in a horizontal plane supported by three 490 foot wires, all attached to the top of the pole. Pulled and anchored to three equally spaced points in the plane. How many feet apart are any two of those anchor points?

Answer: 149.61 asked in tcs

Reply Like? Yes | No

(5 years ago) "Question"

The set A (0) is (1,2,3,4). For n > 0,A(n+1) contains all possible sums that can be obtained by adding two different numbers from what is the number of integers in A(10).

Answer: 67 asked in tcs

Reply Like? Yes | No

(5 years ago) "Other"

The set A (0) is (1,2,3,4). For n > 0,A(n+1) contains all possible sums that can be obtained by adding two different numbers from what is the number of integers in A(10).

Answer: 67 asked in tcs

Reply Like? Yes | No

(5 years ago) "Other"

Myself my feelings

Reply Like? Yes (1) | No

(5 years ago) "Other"

KANSAS+OHIO =OREGON

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(5 years ago)

KANSAS ----497292
OHIO------------5865
OREGON----503157

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(5 years ago) "Other"

hi how are u all

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(5 years ago) "Other"

Please tell me how to prepare for Ernest and young aptitude round

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(5 years ago) "Other"

What is the probability of getting two balls from either yellow or green from 2 yellow, 3 green and 2 blue balls.

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(5 years ago) "Other"

Hi, friends I m new here

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(5 years ago) "Other"

Any body have campus placement Question /Paper of Zycus Infotech Private Limited and what are the process of that company can any one help me..?

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(5 years ago) "Other"

Hi Friends!!! Myself studying at IIM Bangalore, pursuing my EGMP. I am fond of Maths and solving them in such a platform makes our minds to think and never stop thinking and feels us to be young and back in school.

So I want to solve and discuss any topics that you might have faced or fear to face during interviews, GDs, Problem Solving, Witty solutions during Interview etc.
Hope the learning would be great!!!

Reply Like? Yes (1) | No

(5 years ago)

hii sir i have tcs test on 13 nov..
plz send me some study material for that and some suggestion about which books should i use.

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(5 years ago)

Q3. There is a set of 39 distinct points on a plane with the following
characteristics:
* There is a subset A consisting of eight collinear points.
* Any subset of three or more collinear points from the 39 are a
subset of A.
How many distinct triangles with positive area can be formed with
each of its vertices being one of the 36 points? (Two triangles are said
to be distinct if at least one of the vertices is different)

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(5 years ago) "Other"

a number cube is rolled once and coin is tossed once. What is the probability that the coin will show tails and composite number on the cube?

Reply Like? Yes | No

(5 years ago)

(coin) 1/2 * 2/6(dice)= 1/6. Is it the right answer?

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(5 years ago) "Other"

x told y, I am five times old as you were, when I was old as you are. Calculate the ratio of present age of x and y.
I want to solution of this problem

Reply Like? Yes (2) | No

(5 years ago)

When y is at the age of k,then x is 5k
Now y is 5k
Difference of y 's age =4k
Now x'sage is =5k+4k=9k
Now ratio of their ages=9:5

Like? Yes (1) | No (1)

(5 years ago)

Suppose present ages of x and y are X and Y respectively.
when x was Y years old [( X-Y) years earlier), y was [Y-(X-Y)] i.e. 2Y-X years old.

As per goven statement, X= 5(2Y-X)
Then 6X=10Y
X/Y = 10/6 = 5/3

Like? Yes | No (1)

to (5 years ago) "Other"

plz give the solution of the question

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(5 years ago) "Other"

printing a page requires 2mg of ink, how many rims of 500 pages can be printed
with 1 kg of ink?

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(5 years ago)

is it the correct answer: 1000?

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