The digit in unit’s place of the product 81 × 82 × 83 × ... × 89 is

What should be the least added to 41116 so that the sum is divisible by 8?

A number consists of two digits. If the number formed by interchanging the digits is added to the original number, the resulting number (i.e. the sum) must be divisible by

many times will the buttons of a typewriter be pressed to write the numbers 121 to 1346?

Which of the following numbers is divisible by 25?

The sum of the two - digit number is 6 and the number and its flip (digits written in reverse order) both are multiples of 3. If the difference between them is 36, then which of the following is the required number and its flip? 

Directions: Find the wrong number in the following number series:

141, 156, 147, 162, 153, 165, 159

If the 8 digit number 789x531y is divisible by 72, then the value of (5x - 3y) will be?