If M is the mean of the first 100 even natural numbers, then what is the mean of the first 100 odd natural numbers ?

If a + b + c = 0, then which of the following are correct?…

What is the remainder when 27^27 – 15^27 is divided by 6?

How many terms are there in the following product?(a1 + a2 + a3)(b1 + b2…

Consider the pairs of prime numbers (m, n) between 50 and 100 such that m…

How many pairs of (x, y) can be chosen from the set {2, 3, 6,…