Number System - Questions & Discussions

Guys 11th problem explanation please

a start-up has 10 employees whose average age in 2010 was 45 years. in 2013, the two eldest employees retired at the age of 60 years each. In 2014, 3 new trainee employees with a combined age of 50 years joined the company. what is the average age of the company's employees in 2015?

  • 38
  • 40
  • 37
  • 39

0 voters

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how to find no of terms in expansion of (1+x+x2+X3)^16 ?

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No. Of times 0(zero) in 1-10000? 

What is the remainder when 26^5 +27^5+28^5+29^5 is divided by 110 ? Approach please! 

(Ans : 0)

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what is the remainder when 2^90 is divided by 91?

N=2^8 * 3^10 * 5^8 * 7^2 How many factors odlf N are multiples of 360 but not of 540?

A natural number has only two prime factors. It is 100 times the number of its factors. Find the sum of the digits of the least number satisfying these conditions.

a) 1

b) 4 Y

c) 3

d) 2


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find the number of numbers from 1 to 100 which are not divisible by any one of 2, 3, 5 and 7. Please don't just write the option, rather explain.

  • 24
  • 27
  • 23
  • 22

0 voters

What will be the remainder when -24.8 is divided by 6?

  • 5.2
  • -0.8
  • -5.2
  • 0.8

0 voters

If P is divided by Q, then the maximum possible difference between the minimum possible and maximum possible remainder can be?

  • None of these
  • P-Q
  • Q-1
  • P-1

0 voters

What will be the value of x for (100^17-1)+(10^34+x)/9; the remainder = 0

  • 8
  • 3
  • 6
  • 9

0 voters

Three no are co-prime . GP of first two no is 551 and last two is 1037 then find sum of no Option 1) 75 2)81 3)85 4)89 Please solve anyone

Is there any group for just quants as a whole?

It takes 40 days for 30 cows to graze a field and 30 days for 35 cows to graze a field. How many days would it take for 10 cows to graze the same field?

Follow Ratio-proportion-variation and answer the questions posted there