The sum of two numbers is 75 and their difference is 25. The product of the two numbers is :

7<sup>6n</sup>- 6<sup>6n</sup>, where n is an integer >0, is divisible by

The number of numbers from 1 to 200 which are divisible by neither 3 nor 7 is :

If two numbers are each divided by the same divisor, the remainder are respectively 3 and 4. If the sum of two numbers b…

On multiplying a number by 7 all the digit in the product appear as 3's , the smallest such numbers is -

A two digit number ab is added to another number ba, which is obtained by reversing the digits then we get three digit n…

The remainder when 6<sup>6<sup>6<sup>6<sup>.<sup>.<sup>∞</sup></sup&g…

If 146 Is divisible by 5<sup>n</sup>, and then find the maximum value of n.