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Can you do Division? Divide a loaf by a knife - what's the answer to that?

Lewis Carroll, Through the Looking Glass

Mathematics is the QUEEN of all subject

Rupam

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(7 years ago) "Other"

X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?

Reply Like? Yes (2) | No

(7 years ago)

workdone by x in 4 days=4*(1/20)=1/5
remaining work=1-1/5=4/5
work done by both x & y in 1 day =(1/20)+(1/12)=2/15
2/15 work is done by x&y in 1 day
then 4/5 work is done by x&y =(4/5)*(15/2)=6 days
total time taken to complete the work is 6+4=10 days

Like? Yes (2) | No

(7 years ago) "Other"

With reference to Today's question dated 12.12.2017, Administrator has rightfully considered deletion of 5 possibilities in case of scoring 6 in first ball .
Please note than scores ( 3,3), (4,2), (4,3) are also not permitted as the game is finished immediately after scoring required runs and no runs can be scored by running further.
Please check and decide the correct answer accordingly.

Reply Like? Yes (4) | No (1)

(7 years ago)

Correct.
In view of this observation, the correct answer should be none of these.

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(7 years ago)

Good observation, Karan.

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to (7 years ago) "Other"

could u share the answer

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(7 years ago) "Other"

Two numbers are in the ratio 2:3. If 6 is added to both, the ratio changes to 3:4. What is the smaller number?

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(7 years ago)

Numbers are 12 and 18 which are in ratio of 2:3.
When 6 is added, new numbers are 18 and 24 which are in ratio of 3:4.
Smaller no. is 12.

Like? Yes (2) | No

(7 years ago)

smallest no is 12

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(7 years ago) "Other"

10% discount on an item has been offered. By applying a promo code, the customer wins 4% cash back. What is the effective rebate given to him ?

Reply Like? Yes (1) | No

(7 years ago)

13.6%

For an item of Rs 100, discounted price is Rs 90.
After getting 4% cashback on Rs. 90, the customer paid Rs. 86.40.
So effective rebate is 100-86.4= 13.6%

Like? Yes (2) | No

(7 years ago)

effective rebate is 13.6
-10-4+(10*4)/100=13.6

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(7 years ago) "Other"

i want to get 1st rank in gate exam how to prepare that and can u suggest me any material plz...

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(7 years ago) "Other"

a cube is painted red on the two adjacent faces and black on the surfaces opposite to red surfaces and orange on the remaining faces. now a cube is divided into 216 smaller cubes of equal size how many smaller cubes will have no sùrface painted

Reply Like? Yes (1) | No

(7 years ago)

4x4x4=64 smaller cubes will have no surface unpainted.

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(7 years ago) "Other"

Hi, i have online drive for IBM tom. Can anyone help me to clear business communication round. if anyone have any material please mail me Email id: Anjuyoga1411@gmail.com

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(7 years ago) "Other"

Programs to convert decimal to binary using command line arguments

Reply Like? Yes (1) | No

(7 years ago)

https://code.sololearn.com/cU9b7SumlT64/?ref=app

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(7 years ago) "Other"

Hi,
Can any one help me to clear IBM business communication round and coding round.If any suggested materials or links please mail me @ Email-ID:bhafi786@gmail.com.

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(7 years ago) "Other"

Hi,

Can any one help me to clear IBM business communication round and coding round.

If any suggested materials or links, please mail me @ Email-ID:bhafi786@gmail.com.

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(7 years ago) "Other"

Hi,

Can any one help me to clear IBM business communication round and coding round.
If any suggested materials or links please mail me @ Email-ID:bhafi786@gmail.com.

Thanks.

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(7 years ago) "Other"

https://youtu.be/URg5Z4FUWgo

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(7 years ago) "Other"

a,b,c are non negative integers such that 28a+30b+31c=365 then a+b+c?

Reply Like? Yes (1) | No

(7 years ago)

a=1
b=4
c=7
Just check number of days in each month of year.

Like? Yes (2) | No

(7 years ago)

28+120+217= 365

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(7 years ago)

Absolutely correct,
otherwise
a=2, b=1, c=9 is other set of values.

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(7 years ago) "Other"

can you analyse what is the probability of meeting someone in your lifetime who is having an above average number of arms?
1) Impossible
2) Unlikely
3) Fifty Fifty
4) Fairly Likely
5) Certain

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to (7 years ago) "Other"

your solution unable to clearly understand me please clearly solve the solution

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(7 years ago) "Other"

In today's puzzle, Beeru buys Bike and sells scooter.
Profit Percentage of Bike / scooter ??????

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(7 years ago)

Good observation.

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(7 years ago) "Other"

- A train is travelling at a speed of 40km h and a pigeon is flying towards the oncoming train at speed of 5km h. How much time does the pigeon take to come back to its start point after sitting on the train for 1 min?

Reply Like? Yes | No (1)

(7 years ago)

Can you specify the initial distance between train and pigeon ?

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to (7 years ago) "Other"

How do you came up with snow white and seven dwarfs problems answer
The Seven Dwarfs are having breakfast, and Snow White has just poured them some milk. Before drinking, the dwarfs have a ritual. First, Dwarf #1 splits his milk equally among his brothers' mugs (leaving himself with nothing). Then Dwarf #2 does the same with his milk, etc. The process continues around the table, until Dwarf #7 has distributed his milk in this way. (Note that Dwarf #7 is named Dopey!) At the end, each dwarf has exactly the same amount of milk as he started with! If the total amount of milk was 42 ounces.

Q1. how many have empty mugs?
Q2. how many have amount of milk in mug as a prime no.

Reply Like? Yes (1) | No

(7 years ago)

1. Only one mug ( of Dwarf #7) was empty.
2. only one mug ( dwarf#6) had 2 ounces which is prime number.

Distribution of milk was 12, 10,8,6,4,2,0.

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(7 years ago) "Other"

JAM Mathematics 2018 Preparation Tips

Reply Like? Yes (1) | No

(7 years ago)

Some JAM Preparation Tips hope will help you -
• Analyze the Syllabus - Its essential to start the preparation, analyze the complete JAM Mathematics Syllabus through this you may be decided a proper preparation Strategy.
• Best Reference Books - Prefer best reference books which covers most of the topics of the syllabus and contains previous years question papers and modal test papers also.
Some reference books are –
o Integral Calculus: F. Ayres (Schaum’s), Gorakh Prasad
o Vector Calculus: Murray R. Spiegel (Schaum’s), A.R.Vasishtha
o Linear Algebra: Seymour Lipschitz (Schaum’s), H. Anton, A.R.Vasishtha.
o Ordinary Differential Equation: Peter J. Collins, G.F. Simmons, M.D. Raisinghania.
o Principle of Real Analysis: S. C. Malik.
o Real Analysis: H. L. Royden.
o Modern Algebra: A. R. Vasishtha 8. University Algebra: N. S. Gopalakrishan.
• Solve Previous Years IIT JAM Question Paper - By solving these you will get an idea related to which type of questions will be asked in the exam and you will find the weak points also.
• Mock Tests - Practice mock tests it will help you to strong your weak points.
• Daily Routine - Study hard daily at least 6 to 7 hours.
• Don’t take stress, keep calm and study well.

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to (7 years ago) "Other"

One bafalow gave 4 liter milk and cow 1/2 liter and goat 1/4
What is this pussel

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(7 years ago) "Other"

Ram has twice the amount of money that Shyam has. If Shyam gets Rs. 20, he will have Rs. 30 less than Ram. How much money does Ram have?
can anyone help me to solve this???

Reply Like? Yes | No

(7 years ago)

Ram Has 100 Rs and Shyam has 50 Rs.
If Shyam gets Rs 20 more, he will have Rs 70 which is 30 less than Ram ( Rs. 100) now.

Like? Yes (2) | No

(7 years ago)

If shyam gets Rs 20 from Ram, then initially Ram has Rs 140 and Shyam has Rs. 70.
When shyam gets Rs 20 from Ram, then Ram will have Rs 120 and Shyam will have Rs. 90.

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(7 years ago) "Other"

Want to learn more and more

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(7 years ago) "Other"

how many permutations can be made out of the letters of the word "BUSINESS". How many of these will begin with B and end with N?

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(7 years ago) "Other"

Hi everyone.....

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(7 years ago) "Other"

A robot is designed to move in a peculiar way and it can be set in motion by a microprocessor program. The program can be initiated by assigning a positive rational value to its variable n. The program directs the robot to move in the following way. As soon as the program is started, the robot starts from the point O, moves 2n metres northward and changes its direction by n° to the right. It then moves 2n metres forward and again changes its direction by n° to the right and continues in this manner till it reaches the starting point O, or till it covers a total distance of 100 m, whichever happens first, and then it stop.
Q: 8. I assigned a value for n and started the program. If the robot finally came back to O and stopped, what is the total distance that it has covered
(1) 180 m
(2) 360 m
(3) 720 m
(4) Cannot be determined

Q: 9 For how many value of n in the intervals [1, 60] does the robot cover less than 1000 m, before it stops?
(1) 19
(2) 60
(3) 355
(4) Infinite

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(7 years ago)

Q8.
3. 720 Mtrs
Q9.
(4) Infinite

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(7 years ago) "Other"

Joint Admission Test for M.Sc.

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(7 years ago)

IIT JAM, is a Joint Admission Test for M.Sc. which is conducted by IITs and IIsc for Integrated PhD Degree Programs at IISc Bangalore and M.Sc. (2 years), Joint M.Sc.-PhD, M.Sc.-PhD Dual Degree, M.Sc.-M.Tech., M.Sc.-M.S. (Research)/PhD Dual Degree and other Post-Bachelor Degree Programs at IITs.

The IIT JAM Exam 2018 will be held on 11th February 2018.

JAM Exam is conducted only in seven subjects which are-
1. Biological Sciences(BL)
2. Biotechnology(BT)
3. Chemistry(CY)
4. Geology(GG)
5. Mathematics(MA)
6. Mathematical Statistics(MS)
7. Physics(PH)

To appearing for exam candidates should have bachelor’s degree as a qualifying examination degree, must be passed with minimum 55% aggregate marks if they are from General and OBC-NCL category or minimum 50% if they are from SC/ST/PwD category.

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(7 years ago) "Other"

Friends did anyone of u attend cognizant on campus hiring process this year? Can u share the selection process of cognizant this year.

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(7 years ago) "Other"

hi guys, think it and "take it easy , make that easy"

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to (7 years ago) "Other"

Hi Rakesh , will you please guide me , would be vry helpful, thanks in advance u can contact me @shaikhshaheen85@gmail.com

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(7 years ago) "Other"

The simplest way to find the sum of consecutive no.s
For ex. 1+2+3+4+5+6+7+8
Therefore,we should first find the sum of first and last digit.
1+8=9
Then we should multiply it by the half of no.s
That is,
8/2
( because there are 8 no.s)
The sum is
(8+1)×(8/2)
9×4=36

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(7 years ago) "Other"

1,?,9,7,7,9,13,10,9,1,4,9,16,16,...what number comes at "?" at the second place from start?

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(7 years ago)

?=4
1^2=1 .. sum of digits 1
2^2=4.. sum of digits 4
3^2=9.. sum of digits 9
4^2=16.. sum of digits ..1+6=7
5^2=25, sum of digits .. 2+5=7
6^2=36.. sum of digits ..3+6=9
7^2=49.. sum of digits ..4+9=13 .......... so on.

Like? Yes (2) | No

(7 years ago) "Other"

Hi Admin, the answer to yesterday's puzzle is incorrectly stated in the question. The actual answer is 23436 and the given option no 6 is 25436.

So the correct option should be no 10.

Reply Like? Yes (2) | No

(7 years ago) "Other"

Hi guys, I recently applied for IBM GBS referral drive on 10th September 2017. I haven't receive any mail regarding interview. If anyone has applied for this drive and got the interview date please let me know.

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(7 years ago) "Other"

Sir I request too all m frnds. I participat in ACC exam ...but I hve prbln to solve maths questions.. So plz help me.. Plzzz

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(7 years ago) "Other"

The number of ways in which 15 students A1, A2..............A15 can be ranked, such that A4 is always above A8 is

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(7 years ago) "Other"

A person sold a watch for 96 and got a percentage profit equal to cost price.find the cost price of watch

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(7 years ago)

cost price = Rs 60
60+60% of 60=60+36=96= given s.p. of watch

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(7 years ago) "Other"

If a boboy takes as much time in running 10 meters as a car takes in covering 25 meters the distance covered by boy during the time the car covers 1 km is.....

Reply Like? Yes (1) | No

(7 years ago)

If a boboy takes as much time in running 10 meters as a car takes in covering 25 meters the distance covered by boy during the time the car covers 1 km is 400 meters.

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(7 years ago) "Other"

How to crack tcs exam i t will be comming to our college in 11 of this month any tips plz help

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(7 years ago) "Other"

Verbal 3.80 15.00%
Problem Solving 30.00 80.13%
Quantitative 26.30 76.53%

Will i get any phone call from any company?

Reply Like? Yes | No (1)

(7 years ago)

which exam priyanka?

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(7 years ago)

Yes.Bot not sure.Depending upon your Luck @priyanka

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(7 years ago) "Other"

What you want to share?(x-a)(x-b)(x-c).....(x-z)?

Reply Like? Yes (1) | No

(7 years ago)

(x-a)(x-b)(x-c).....(x-z) = 0 as (x-x)=0

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(7 years ago) "Other"

I am preparing for campus interviews and off campus drives and will be attending interviews from my next semester(final semester) and I came through a website q4interview.com, recommended by my peers. Has anyone accessed the site, How good is it?

Reply Like? Yes (7) | No

(7 years ago) "Other"

haiiii everyone..............!!!!

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(7 years ago) "Other"

Thank you m4mathes

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(7 years ago) "Other"

what are the topics in aptitude test they may ask in campus interview?

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(7 years ago) "Other"

Plz any one suggest me how to prepare for tcs interview...i m from Ec branch

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(7 years ago) "Other"

HII..I am B.tech. Electrical Engineer ...preparing for SSC JE ..Guys Please help me getting my Goal.

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(7 years ago) "Other"

why " keep me looged in " option is not available on the site?

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(7 years ago) "Other"

7 @ 9 =19 3 @ 6=9 2 @ 5=3 find out symbol @ ?

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(7 years ago)

7 @ 9 =19... 7^9= 117649 .. ignore last digit 9 .. 11764 --1+1+7+6+4=19... sum of digits 19
3 @ 6=9 ... 3^6= 729.. ignore last digit 9......... 72.... 7+2=9.. sum of digits 9
2 @ 5=3..... 2^5=32... Ignore last digit 2...3... 3... sum of digits 3

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(7 years ago) "Other"

there are two identical metal sheets first one is melted and converted into maximum possible spheres of equal radius 'r' cm. and 14 cubic cm metal was left .second one is melted and converted into maximum possible sphere of equal radius 2r cm and then 36 cubic cm of metal was left. if volume of each is integer find the volume of each bigger sphere?

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