Playing with Nu...

The number(10ⁿ−1)is divisible by 11 for____.

The greatest value that must be given to x so that the number 7713 x 8 is divisible by 4 is______.

uppose that the division N ÷ 5 leaves a remainder of 4 and the division N ÷ 2 leaves a remainder of 1. What must be the ones digit of N?

Given that the number 148101a095 is divisible by 11, where a is single digit number, what are the possible values of a?

The largest natural number by which the product of three consecutive even natural numbers is always divisible, is ______.

If in a number, difference between the sum of digits at its odd places and that of digits at the even places is given 0, then the number is divisible by _____.

A 5-digit number xy235 is divisible by 3 such that x + y < 5, where x and y are single digits, then possible values of (x, y) are _____.