The number of pairs of natural numbers the difference of whose squares is 45 will be –

How many number are there from 700 to 950 (Including both) which are neither divisible by 3 nor by 7?

The sum of 17 consecutive numbers is 289. The sum of another 10 consecutive numbers, whose first term is 5 more than the average of the first set of consecutive numbers is:

 The least number by which 448 is to be divided to make it a perfect cube is

The smallest number, which should be added to 756896 so as to obtain a multiple of 11, is :

When a number is increased by 28, it becomes 107% of itself. What is the number?

The smallest 5-digit number divisible by 41 is:

On adding a natural number P to the product of four consecutive natural numbers we get a perfect square number. The minimum value of P is: