Three numbers are in the ratio 1:2:3 and their HCF is 12. Find the numbers.

Three numbers are in the ratio 3 : 2 : 5 and the sum of their squares is 1862. Find the smallest number.

Find the average of the first five prime numbers.

A computer uses which number system to store data and perform calculations?

If the sum of two numbers is 55 and the H.C.F. and L.C.M. of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is:

Find the average of all prime numbers between 10 and 25.

What is the decimal equivalent of the binary number (10110)?

The ratio of two numbers is 3:4 and their L.C.M. is 180. The first number is:

The sum of three consecutive even numbers is 48. Find the smallest number.