Find the greatest number which divides 108, 124 and 156, leaving the same remainder. 

In a two - digit number, the digit at the unit's place is 1 less than twice the digit at the ten's place. If the digits at units and ten's place are interchanged, the difference between the new and the original number is less than the original number by 20. The original number is: 

Two numbers are such that their difference, their sum and their product is in the ratio of 1: 7: 24. The product of numbers is

A number when divided by 296 gives a remainder 75. When the same number is divided by 37 the remainder will be: 

The largest three-digit number that gives the same remainder 2 when divided by 3, 5 and 9 is ________.

What is the sum of two consecutive even numbers, the difference of whose square is 84? 

The least number that must be added to 8961 to make it exactly divisible by 84 is 

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