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Dimple

India

Punjab

Time: 00:01:33

Points

Maths Quotes

AS A KEY OPENS THE DOOR, MATHS IS THE KEY TO ALL PROBLEMS WHICH ARE THEORITICALLY PROVED.

REDDY GARU

Each and every person in this world are having "constant mind"...DIFFERENTIATE others mind and INTEGRATE urs.MATHEMATICS SIMPLY MAKES YOU UNSTOPPABLE !!!

VIBHAV ANAND

Placed User Comments

M4Math helped me a lot.

Vipul Chavan 4 years ago

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

yash mittal 5 years ago

Public Wall |

to (4 years ago) "Other"

The ratio of difference between Compound interest and simple interest at 2 year and 2.5 year is 9:17 then rate of compound interest? 1)22.22% 2)11.11% 3)18.18% 4)22.5%

Reply Like? Yes | No

to (4 years ago) "Other"

A man borrows a sum of rs 96,000 at 5% p.a. interest compounded annually. At the end of one year, he repays a certain amount and he repays the balance amount of rs 70,980 at the end of the second year. What amount does he repays at the end of the first year?

Reply Like? Yes | No (2)

(4 years ago)

Rs. 33200

Amount after 1 year = 96000*(1 + 5/100) = 100800
Let he repays Rs. x after 1 year, then amount to be paid after 2nd year=(100800 - x)*(1 + 5/100) = 70980
100800 - x = 67600
=> x=33200

Like? Yes (2) | No

(4 years ago) "Other"

For Today's puzzle, options 3 and 5 are same as 246.
Please check.

Reply Like? Yes (1) | No

(4 years ago) "Other"

Anyone plz send me the model papers of amcat.. mail id kousalya97r@gmail.com

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(4 years ago) "Other"

Plz send me the model papers of amcat...

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(4 years ago) "Other"

How many ports will be allocated to a new emulator?

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(4 years ago) "Other"

H17, B11, P79, G16, L48, ?

Reply Like? Yes (45) | No (5)

(4 years ago) "Other"

problem statement:

you are given an array a[],and you need to find out the combination of array element which has same different.print the count of combinations

SAMPLE INPUT: SAMPLE OUTPUT:
5
4
27
37
47
57
EXPLANATION:

the possible comnibation are with 10 difference(27,37),(37,47),(47,57) -3 with 20 difference (27,47),(37,57)-2 total 3+2=5

E

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(4 years ago) "Other"

Anyone tell me the pattern of Amcat

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to (4 years ago) "Other"

In a election between two parties P and Q, Q is loser. If Q get 25% more votes then he win by the thrice the majority then that of P. If the total number of votes are 4250. How many vote did P get? 1)2250 2)1125 3)2000 4) 1525.. please give solution

Reply Like? Yes (4) | No

(4 years ago)

3) 2250

Total votes = P + Q = 4250 ---(i)
When Q is loser, majority of P = (P - Q)
When Q gets 25% more votes, then votes of Q = Q + 0.25Q = 1.25Q and votes of P = (P - 0.25Q)
According to given condition, 1.25Q - (P - 0.25Q) = 3*(P - Q)
=> 4P - 4.5Q = 0 ---(ii)
On solving equations (i) & (ii), Q=2000, P=2250

Like? Yes (4) | No

(4 years ago)

As per given ststement, Q is the looser.
From given options, only 2250 votes for P satisfies this condition.
No need to waste time to solve in detail while appearing for multiple choice questions test in limited time.

Like? Yes (1) | No

to (4 years ago) "Other"

In a local election, 2400 people were to vote for Party A or Party B. Party A was bound to win the election. However, on Election Day, 33% of the voters of Party A were kidnapped. Party B was also able to influence the remaining Party A voters and thus double the strength of its voters. In this way, Party A lost by a majority which was half of that by which it would have won had the elections been fair. How many people finally voted for Party A and Party B?

Reply Like? Yes | No

(4 years ago)

Final voters of party A=1029, B=1371

In fair election, party A voters=1542, party B voters=858, majority of A=684
After 33% and some voters of A shifted to B, Party A voters=1029, party B voters=1371, majority of B=342

Like? Yes (3) | No

(4 years ago) "Other"

Reply Like? Yes | No

(4 years ago) "Other"

Reply Like? Yes | No (1)

(4 years ago)

As per given statement, Q is the loser.
From given options, only 2250 votes for P satisfies this condition.
No need to waste time to solve in detail while appearing for multiple choice questions test in limited time.

Like? Yes | No

(4 years ago) "Other"

Pls check on site.
May answer is 5 which is correct as per site only .
But marks .. -1.
Any reason ?

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(4 years ago) "Other"

Regarding 'Today's puzzle'dated 30.01.2020, it is to inform you that result displayed at site is incomplete.
I have submitted same answer ( option) in first 10 minutes, but same is not displayed here.
Please check.

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(4 years ago) "Other"

i want questions on TCS nqt

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(4 years ago) "Other"

a student asked to get the combined sum of three individual series but due to his laziness he wrote all three 1 series in the combined form as 3+2+4+8+3+a+27+ . then he realizes that some of the terms merged and converted to new term. what will be the exact sum if he suppose to find the sum of first 36 terms a)6812 b)9812 c)6914 d)6912

Reply Like? Yes (21) | No (4)

(4 years ago) "Other"

No. Of zero?
1/2(6+10).

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(4 years ago) "Other"

The ratio of A and B’s income last year was 4:3 the ratio of their own incomes of last year and this year individually, it’s 3:4 and 5:6 respectively. If the total sum of their present income is ₹8.04 lakh, then what is the last year income of b? Please give solution

Reply Like? Yes (2) | No

(4 years ago)

2.7 lakh

Let the income of A & B last year was 4x and 3x.
Given ratio of their last year to this year income individually are 3:4 and 5:6 respectively.
Then income this year of A = 4x*(4/3) = 16x/3 and income of B = 3x*(6/5) = 18x/5
Sum of the incomes this year = 16x/3 + 18x/5 = 804000
=> x = 90000
Therefore, last year income of B = 3x = 3*90000 = 270000 = 2.7 lakh

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(4 years ago) "Other"

How to learn python

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(4 years ago) "Other"

consulting firms nj

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(4 years ago) "Other"

I have aptitude question solution

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(4 years ago) "Other"

FieldEngineer perfectly syncs for gig hungry engineers and on-demand projects to a single dedicated platform. Businesses can post the job requirements/projects and hire the talent within no time.

Freelance Marketplace
[url=https://www.fieldengineer.com] Freelance Marketplace[/url]
https://www.fieldengineer.com

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(4 years ago) "Other"

I am a Staff Author at https://www.fieldengineer.com a Marketplace for On Demand telecom workforce, ranging from telecom field engineers to high-level network engineers,
project managers and Network Architects in 146 countries.
Global Freelance Marketplace connecting Engineers and Businesses

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to (4 years ago) "Other"

hiiii can u plz share infosys papers madam

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(4 years ago) "Other"

Mumbai¤¤Pune¤¤,91–8426924404 Black magic to kill enemy

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(4 years ago) "Other"

Ibm written papers

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(4 years ago) "Other"

near by a yard which is 225 meters long 26 papaya tree are planted at equal distance one tree being at each end of the yard what is the distance between two consecutive trees?

Reply Like? Yes | No

(4 years ago)

9 meters
225/(26-1)= 225/25= 9 meters

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(4 years ago) "Other"

in december 12 2007 mohammed bought 300 units of afrococo cooperation shares @$55 per shares december 10th 2008 mohammed sold all his shares for $60 dollars per share what is mohammed realised gain?

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to (4 years ago) "Other"

in december 12 2007 mohammed bought 300 units of afrococo cooperation shares @$55 per shares december 10th 2008 mohammed sold all his shares for $60 dollars per share what is mohammed realised gain?

Reply Like? Yes | No

(4 years ago) "Other"

The main temperature from 9th to 16th of march both days inclusive 11.6 degree Celsius and from 10th to 17th market was 12.2 degree Celsius if the temperature on month of march was 10.8 degree then on 17th march it was

Reply Like? Yes | No (1)

(4 years ago) "Other"

How to prepare m4 maths

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(4 years ago) "Other"

Two fill pipes A and B can fill a tank in 30 and 20 hours respectively. Pipe B alone
is kept open for half the time and both pipes are kept open for the remaining time.
In how many hours, will the tank be completely full?

Reply Like? Yes (1) | No

(4 years ago)

15 hrs

Let the total time taken be 'x' hrs.
Then, for x/2 hrs pipe B fills at 1/20 per hr and for remaining x/2 hrs both pipes A & B fills at (1/30 + 1/20) per hr.
(x/2)*(1/20) + (x/2)*(1/30 + 1/20) = 1
(x/2)*(8/60) = 1
=> x=15

Like? Yes (2) | No

(4 years ago)

Thanks DEVENDRA.

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(4 years ago) "Other"

I want to start my u tube channel I am very good in giving Mathematics classes

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(4 years ago) "Other"

Russian Call Girls in Udaipur http://www.callgirlsinindia.com/russian-call-girls-udaipur/

Reply Like? Yes (1) | No

(4 years ago) "Other"

Call Girls in Udaipur http://www.callgirlsbooking.com/call-girls-udaipur/

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(5 years ago) "Other"

A takes twice as much time as B or thrice as much as C time to finish a piece of work working together they can finish the work in 2 days B can do the work alone in

Reply Like? Yes (2) | No

(4 years ago)

Let C takes 'x' days, then A takes 3x days and B takes 3x/2.
1 day work of A , B & C = 1/3x + 1/(3x/2)+ 1/x = 1/2
=> x=4
Therefore, A takes 12 days and B takes 6 days to do the work alone.

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(5 years ago) "Other"

welcome m4 maths

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to (5 years ago) "Other"

A wizard named Nepo says I am only three times my sons age. My father is 40 years more than twice my age. Together the three of us are a mere 1240 years old. How old is Nepo?

need Ans and explanation

Reply Like? Yes (2) | No

(5 years ago)

let nepo age be n
nepo's son's age be s

n=3s
lets nepo's father age be f

f=40+2n

now s+n+f=1240

n/3+n+2n+40 = 1240
10n/3=1200
n=360
s=n/3=120
f=2n+40=720+40=760
s=200/3
f=

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(5 years ago)

n=360.s=120,f=2n+40=2*360+40=760

Nepo's age is 360.

Like? Yes | No

(5 years ago)

let Nepo's age be x;
sons's age=x/3
father's age=40+2x

adding the ages;
x+x/3+40+2x=1240

10/3x=(1240-40)
10/3x=1200

10x=1200*3

10x=3600
x=36
so Nepo is 36 years
son is 36/3 years=12 years

father is 40+2(36) years=112 years

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to (5 years ago) "Other"

Rakesh, can you suggest some good books to prepare for elitmus....I mean from where do they refer max. no of questions while setting the paper?

Reply Like? Yes (1) | No

(5 years ago) "Other"

Prartian interview questions for coding

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(5 years ago) "Other"

Prartian interview questions

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(5 years ago) "Other"

please provide me zenq previous question papers

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to (5 years ago) "Other"

Prove by the mathematical induction method that 7²n +2³n-³.3n-¹ is divisible by 25for all n€N

Reply Like? Yes (44) | No (13)

(2 years ago)

No no no no no no no no no No no no no no no no no noNo no no no no no no no noNo no no no no no no no no(Sorry for long text because it saay to short and sorry for bad english)

Like? Yes (14) | No (9)

(2 Months ago)

Hiii, Shorya Rathore We Wanna Be Friends

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(5 years ago) "Other"

दो कंटेनर हैं, ए और बी, जिसमें दूध और पानी की समान मात्रा होती है
क्रमशः। ए की सामग्री का एक तिहाई बी में डाला जाता है, और फिर वही
मिश्रण की मात्रा बी से ए में वापस स्थानांतरित की जाती है। यह तीन बार किया जाता है।
A में अब दूध और पानी का अनुपात क्या है?

Reply Like? Yes | No

(5 years ago) "Other"

a 100 litres spirit water solution contain 75% spirit. find the amount of water to be added to convert it into 60% spirit solution

Reply Like? Yes | No

(5 years ago)

75:(25+x)=60:40
(25+x)=40*75/60=50
x=25lt
Water to be added=25lts.

Like? Yes (1) | No

(5 years ago) "Other"

If principal amount triples itself in 3 years then in how much it takes to to make Principal amount 9 times

Reply Like? Yes (1) | No

(5 years ago)

If principal amount triples itself in 3 years, then it will take 12 years to make Principal amount 9 times.
In 3 years , the interest is 2 times the principal amount. in 12 years, the interest is 8 times the principal amount.

Like? Yes (4) | No

(5 years ago)

Final amount to be 9 times we need interest to be 8 times.mes
In Three years interest become 2 times
In Six year interest become 4 times
Hence in 12 years interest become 8 times

So in 12 years amount will become 9 times

Like? Yes | No (1)

(5 years ago)

In 3 years Intrest =3P-P=2P
So in 12 years it becomes =8P
Now in 12 years it beclmes =8P+P=9P

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(5 years ago) "Other"

1.2/3rd of the balls in a bag are blue, the rest are pink. if 5/9th of the blue balls
and 7/8th of the pink balls are defective, find the total number of balls in the bag
given that the number of non defective balls is 146?

Reply Like? Yes | No

(5 years ago)

432

Let total balls be x. Blue=2x/3, Pink=x/3
Defective balls = (5/9)*(2x/3) + (7/8)*(x/3) = 143x/216
Non defective balls = x - 143x/216 = 73x/216
Given non defective balls are 146, so 73x/216 = 146 => x=432

Like? Yes | No

(5 years ago)

Let total balls in the beg are x
Then Blue balls in the beg are = 2x/3
Pink balls in the beg are = 1-2x/3=x/3
Defective blue balls= 5/9 (2x/3)
Defective pink balls= 7/8 (x/3)
Total Defective balls in the beg are= 143x/216
Hence total non defective balls in the beg are = x-143x/216=73x/216
Given that total defective balls in the beg are 146
Hence 73x/216=146
i.e. X= 432 Balls

Like? Yes | No

(5 years ago)

Let the total numbers of the ball in a bag be x.

Blue balls = 2/3 of x

Pink ball = x - 2x/3

= x/3

Now,

Defective Blue balls = 5/9 of (2/3 of x)

= 5/9 × 2/3 × x

= 10/27 × x

Defective Pink balls = 7/8 of x/3

= 7x/24

Now, Defective Blue and Pink balls = 146

10x/27 + 7x/24 = 146

(80x + 63x)/216 = 146

∴ 143x = 146 × 216

x = 220.53

= 221 balls.

Like? Yes | No

(5 years ago) "Other"

Tajmahal 2.India 3.asia 4.Agra 5.uttar Pradesh

Reply Like? Yes (2) | No

(5 years ago)

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(5 years ago)

Tajmahal..............As all other are name of City, state, country, and continent Tajmahal is monument

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(5 years ago) "Other"

Rohan has 1120 pens and he categorized all pens into three types such that he earns a profit of 12%,
16% and 20% respectively on each type. He earns 13% on first two types and earns overall profit of 15% on
all types. Find the number of pens in all types?

Reply Like? Yes (1) | No

(5 years ago)

Number of pens in each category are 600/200/320 respectively.

Like? Yes (4) | No

(5 years ago) "Other"

To cover a distance a man first goes 3/8 th of the journey by train, 20% of the remaining by bus and still he has 6 km. Find the total distance.

Reply Like? Yes | No

(5 years ago)

Total distance is 12 kms.

Like? Yes (4) | No

(5 years ago) "Other"

Raman, Naman and Aman are roommates and were given a job to clean their room on Sundays. The job was easy, but they made it complicated. Sometimes they did it in pairs, sometimes individually, sometimes they did it all together. At the end of the month, a mathematician had following observations:
1. Aman needed 1 hour less than Raman to complete the work.
2. When they all worked together, they required 60 minutes to do complete job.
3. When Raman and Naman started working together and Raman left after 1 hour, then Naman had to work further for 3 more hours to complete the job.
The mathematician wants you to calculate how much work does Aman do per hour?

Reply Like? Yes (1) | No

(5 years ago)

Aman completes work in 2 hrs.
Time taken to complete total work by Aman= 2 hrs; By Raman = 3 hrs; By Naman = 6 hrs.

Like? Yes (4) | No

(5 years ago) "Other"

you have three dice each side is numbered as 1,2,3,4,5,6 .you have to take a
number from user check that number as sum of any side number of these
three dice.like we take number as 5 then the possibility are (1,1,3) (1,2,2)
(1,3,1) (2,1,2) (2,2,1) (3,1,1) and is 6 possibility. So write to a program for that.

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(5 years ago) "Other"

AnyOne pls tell me how to solve markeup price given in degrees with cp and sp ratio and successive discounts... Share any di with solution regardng this

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(5 years ago) "Other"

https://www.theincircle.com

Reply Like? Yes (1) | No

(5 years ago) "Other"

Thank you m4maths.

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(5 years ago) "Other"

Find the smallest number in a GP whose sum is 38 and product 1728

Reply Like? Yes (2) | No

(5 years ago)

Numbers are 8,12,18.
smallest number is 8.

Like? Yes (2) | No

(5 years ago) "Other"

The average temperature of Monday, Tuesday and Wednesday were 37°C and on Tuesday, Wednesday and Thursday was 34°C. If the temperature on Thursday was 4/5 th of that of Monday, then what was the temperature on Thursday?
a) 36 °C

Reply Like? Yes | No (1)

(5 years ago)

Ans: 36°C

Mon+Tue+Wed=3x37=111 ---(i) and Tue+Wed+Thu=3x34=102 ---(ii)
Subtracting (ii) from (i), Mon - Thu=9 ---(iii)
Given, Thu=(4/5)xMon => Mon=(5/4)xThu
Substituting this value of Mon in (iii), (5/4)xThu - Thu=9
Thu=36
Therefore, temperature on Thursday was 36 °C.

Like? Yes | No

(5 years ago) "Other"

In a T-shirt stitching factory, the accepted pieces on Friday were 95% of the total production and rejected pieces on Saturday were 10% of the total production. The overall rejection rate for the two days combined works out to 8.33%.

What was the ratio of production of Friday to production of Saturday?

Reply Like? Yes (3) | No

(5 years ago)

ratio of production of Friday to production of Saturday = 1/2

Like? Yes (6) | No

(5 years ago) "Other"

Coding question in TCS off campus phase 2

Find unit digit of x raised to power y
Given two numbers x and y, find unit digit of xy.
Method 1 (Simple) Compute value of xy and find its last digit. This method causes overflow for slightly larger values of x and y.

Method 2 (Efficient)
1) Find last digit of x.
2) Compute x^y under modulo 10 and return its value.

// Efficient C++ program to
// find unit digit of x^y.
#include

using namespace std;

// Returns unit digit of x
// raised to power y

int unitDigitXRaisedY(int x, int y)
{

// Initialize result as 1 to

// handle case when y is 0.

int res = 1;

// One by one multiply with x

// mod 10 to avoid overflow.

for (int i = 0; i < y; i++)

res = (res * x) % 10;

return res;
}

// Driver program

int main()
{

cout

Reply Like? Yes | No

(5 years ago) "Other"

from where i can clear my quatitative aptitude concepts for tcs offcampus drive

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(5 years ago) "Other"

Seriously,hire some developers to increase the session time.It gets logged off just after 10 min or so and logging in each time is a pain.

Reply Like? Yes (1) | No

to (5 years ago) "Other"

Q. There are a certain number of apples in a big box. A boy takes half apple more, than half of them. A second boy takes half apple more than half of the remaining and so on. After the 7th boy takes his share, the number of apples in the box is 635 less than the original number of apples. If no apple is cut in the entire process, how many apples are left after the fifth boy takes apples from the box?

Option
(1) 9
(2) 19
(3) 39
(4) 59

how you consider x/2+1/2=10? in the solution

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(5 years ago) "Other"

where can I get solutions for the questions

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(5 years ago) "Other"

When stuck, generate-and-test

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(5 years ago) "Other"

27 Crusoe hatched from a mysterious egg discovered by Angus was growing at a fast pace that Angus had to move it from home to the lake. Given the weights of Crusoe in its first weeks of birth as 5, 15, 30, 135, 405, 1215, 3645. Find the odd weight out.

Reply Like? Yes | No

(5 years ago) "Other"

Reply Like? Yes | No

(5 years ago) "Other"

The guilt seeks

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(5 years ago) "Other"

Left neighborhood family.
left neighborhood have one boy, he like account's and another child loves science.
Left neighborhood has one boy.

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(5 years ago) "Other"

There are two people talking to each other, let's call A and B. A told to be that, in your left neighborhood have, one boy he like account's and another child loves science. In your right neighborhood have one 7year old boy and one new born baby. The question is, among them, which family, which one definitely has a girl.. with reason, if you answer correctly and then I will be giving 200₹.

Reply Like? Yes | No

(5 years ago) "Other"

I have got 72 percentile in eLitmus.
Verbal - 52
Quants 50
Logical -92

What are my chances to get a call for the company?

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to (5 years ago) "Other"

Mam,can you send me this 378 questions on my Emil I'd
My email id is : anuradhavaidya1997@gmail.com

Reply Like? Yes (1) | No

(5 years ago) "Other"

cube is coloured red on one face,green on opposite face,yellow on other face and bule on the face adjacent to yellow face.the other two faces are left uncoloured.is then cut into 125 small cubes of equal size

Reply Like? Yes | No

(5 years ago)

questions*
1)how many cubes are un coloured on all the faces?
2)how many cubes are coloured blue on one face,red or green on other face and remaining other four faces are uncoloured?
3)how many cubes are coloured red on one face and remaining faces are uncoloured?
4)how many cubes have atleast one green coloured face?
plz send detailed solutions

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(5 years ago) "Other"

A clock shows the time 3:30pm

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(5 years ago) "Other"

A man donates 30% of his wealth to charity. 30% and 25% of the remaining wealth to his wife and son respectively. The rest he divides equally between his three daughters. One of his daughter gets rs 42 lakh as her share. What was the man's wealth (in rs lakhs)? ............

PLEASE give the solution

Reply Like? Yes | No

(5 years ago)

400 lakhs

Let man's wealth=x lakhs.
Then, x(1 - 0.3) [1 - (0.3+.25)]/3 = 42
On solving, we get x=400

Like? Yes (2) | No

(5 years ago) "Other"

45% players played 1st world cup out of which 25 players played in only 1st world cup.57.5% players played 2nd world cup out of which 45 players played only 2nd world cup. 72.5% players played 3rd world cup out of which 110 players played only 3rd world cup. Find the players who played both 1st world cup and 2nd world cup but not 3rd world cup,if total number of players are 400?

Reply Like? Yes | No

(5 years ago)

40 players played both 1st world cup and 2nd world cup but not 3rd world cup,if total number of players are 400.

Like? Yes (1) | No

(5 years ago)

Prerna, can u give the full solution....plz

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(5 years ago)

Try it with Venn diagram and you will get it.

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to (5 years ago) "Other"

just f**k offnvflrdvjordnv;posrjev

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(5 years ago) "Other"

If 2x+y = 10, 2y+z = 20 and 2x+z = 30. Where x, y,and z are real number. What is the value of 2x ?

Reply Like? Yes | No

(5 years ago)

Ans: 10

2x + y = 10 —(i)
2y + Z = 20 —(ii)
2x + Z = 30 —(iii)
From (i) & (iii), 2x=10-y —(iv) & 2x=30-z —(v)
Now comparing (iv) & (v), 10-y = 30-z
y-z=-20 —(vi)
From (ii) & (vi), we get y=0, z=20
Suvstituting y=0 in (i), we get x=5
Therefore, 2x=10

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(5 years ago) "Other"

1) A die is rolled twice. What is the probability of showing a 3 on the first roll and an odd number on the second roll?
2) In any 15-minute interval, there is a 20% probability that you will see at least one shooting star. What is the probaÂbility that you see at least one shooting star in the period of an hour?
3) Alice has 2 kids and one of them is a girl. What is the probability that the other child is also a girl? You can assume that there is an equal number of males and females in the world.
4) How many ways can you split 12 people into 3 teams of 4?
plz solve

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(5 years ago) "Other"

a2=1 as root 2=1.414 a3=root 3 thn find (1/a1+1/a2...+1/182) 1) a

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(5 years ago) "Other"

If 4 examiners can examine a certain number of answer books in 8 days by
working 5 hours a day, for how many hours a day would 2 examiners have to
work in order to examine twice the number of answer books in 20 days.

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(5 years ago)

8 hours

If work of 4 examiners, working 5 hrs/day for 8 days=1
Then, required work of 2 examiners, working x hrs/day for 20 days=2
(4*8*5)/1 = (2*20*x)/2
x=8

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(5 years ago) "Other"

Find the total number of integers n between 20 and 40 such that (n-1)! Is not divisible by n?
A-3 B-4 C-5 D-6

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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)

So there are four exits, it takes 8 sec for a passenger ti exit the plane and at once 4 passengers can exit the plane....so (53 x 8) / 4= 106 sec

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(5 years ago)

13 passengers from 4 emergency exits simultaneously, thus 52 passengers takes 13x8=104 sec.
Remaining 1 passenger will take 8 sec more.
Therefore, total time=104+8=112 sec.

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(5 years ago) "Other"

ab + b + a = 135
bc + b + c = 322
ca + a + c = 151

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to (5 years ago) "Other"

what is solution

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(5 years ago) "Other"

After 6 years Raju’s father’s age will be twice that of the
his age and 2 years ago, his mothers age was twice that of
Raju’s age. What is the sum of Raju’s parents’ age?

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(5 years ago)

Hi there!
Here's the answer:

•°•°•°•°•°°•°•°•°•°•°

Let present agree of Raju's Father be f
Present age of Raju be r
& present age of Raju's Mother be m

•• After 6 years,
Raju's Fathers age = f+6
& Raju's age = r+6

Given,
Raju's Father age = 2(Raju's age)
=> (f+6) = 2(r+6)
=> f = 2r + 6

•• Two years ago,
Raju's mothers age = m-2
& Raju's age = r-2

Given,
Raju's Mother's age = 2×( Raju's age)
=> m-2 = 2(r-2)
=> m = 2r - 2

Sum of Raju's parent' s age is
=> f+m = 2r+6+2r-2
=> f+m = 4r+4
i. e., 4 more than 4times the Raju's present age.

•°• Sum of Raju's parent' s age is 4 more than 4times the Raju's present age.

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(5 years ago) "Other"

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to (5 years ago) "Other"

hello hareesh
whats going on

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(5 years ago) "Other"

In a rectangular region of 300X400 foot, there are 3 ants pe...

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(5 years ago) "Other"

Mr.Devilal Singh invested an amount of Rs.13,900 divided into two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs.3508, what was the amount invested in Scheme B?

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(5 years ago) "Other"

On a sum of money, the simple interest for 2 years is Rs.660, while the compound interest is Rs.696.30, the rate of interest being the same in both the cases. The rate of interest is :

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(5 years ago) "Other"

Akshay borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at 6 ¼ pa for 2 years. Find his gain in the transaction per year.

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(5 years ago)

ans
2500-400
2100

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(5 years ago) "Other"

What will be the ratio of simple interest earned by a certain amount at the same rate of interest for 6 years and that for 9 years?

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(5 years ago) "Other"

Aman took a loan from a bank at the rate of 12% p.a. simple interest. After 3 years he had to pay Rs. 5400 interest only for the period. The principal amount borrowed by him was:

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(5 years ago) "Other"

Aastha lent Rs. 5000 to Bahubali for 2 years and Rs. 3000 to Chinky for 4 years on simple interest at the same rate of interest and received Rs. 2200 in all from both of them as interest. The rate of interest per annum is:

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(5 years ago) "Other"

An automobile financier claims to be lending money at simple interest, but he includes the interest every six months for calculating the principal. If he is charging an interest of 10%, the effective rate of interest becomes:

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