Who authored the book ‘Janta Ki Kahani – Meri

Find the smallest integer that must be subtracted from 1250, so that it is divisible by both 18 and 25.

Find the least 4-digit number which is when divided by 18, 30, and 45 leaves a remainder of 7 in each case.

What is the remainder when 123456 is divided by 9?

For how many positive integral values of 'p', the number '78292p' is divisible by 12?

Find the least 4-digit number which is when divided by 12, 15, and 20 leaves a remainder of 7 in each case.

If the seven-digit number 5728p9 is exactly divisible by 11, then what is the value of (11 p), where p > 0?

The number 976512is non-divisible by which of the following numbers?

An eight-digit number, 73x216y4 is divisible by 72. Find the maximum possible value of x + y.

What will be the remainder when 7⁴² is divided by 48?