The digit at Hundred's place value of 17! is :

The least number that must be subtracted from 63520 to make the result a perfect square is -

A girl was asked to multiply a number by $$\frac{7}{8}$$, instead she divided the number by $$\frac{7}{8}$$ and got the …

If A381 is divisible by 11, find the value of the smallest natural number A?

A man ate 100 grapes in 5 days. Each day he ate 6 more grapes then those he ate on the earlier day. How many grapes did …

The sum of four consecutive two-digit odd numbers, when divided by 10, become a perfect square. Which of the following c…

(935421 x 625) = ?

There are 50 boxes and 50 persons. Person 1 keeps 1 marble in every box, person 2 keeps 2 marbles in every 2nd box, per…