The number of whole numbers between 437 and 487 is:

The difference between the squares of two numbers is 256000 and the sum of the numbers is 1000. The number are

Arithmetic mean of numbers between 1 to 156 divisible by 2, 3, 4 and 6 is -

Difference between squares of two consecutive numbers is 59. What are the numbers?

How many prime numbers are there between 1 and 50?

The difference between the largest 3 digit number and smallest 2 digit number is: