Question
In a frequency distribution the last
cumulative frequency is 500. Q3 must lie in?Solution

Find the unit digit of the expression: 3! + 4! + 5! + 6! + ........ + 1111!.
How many composite numbers are there from 41 to 79?
Find the smallest positive integer which when divided by 5, 7 and 9 leaves a remainder 4 in each case.
Determine the smallest possible value of 'P' that makes the eight-digit number '4423P456' fully divisible by 3.
À two-digit number decreases by 18 when its both digits are written in reverse order. If unit digit of original number is equal to the unit digit of 22...
Simplify
Find the unit digit of (57 129 Â - 7).
Find the least 4-digit number which, when divided by 14, 35, and 20, leaves a remainder of 9 in each case.
Which of the following pairs of numbers are co-primes?
- Find the median of the following observations:
25, 30, 15, 40, 20, 35, 50