Find the fourth proportional to 3, 5 and 15.

Find the HCF of 2.8, 11.2 and 0.84 .

What type of number is the sum of √ 2 and (3-√ 2) ?

Which of the following decimals has the longest repeating cycle?

If we consider the set of rational numbers and the set of irrational numbers, what elements are present in both sets?

Show that 0.2636363… can be expressed in the form p/q, where p and q are integers and q≠0, what is the value of p/q ?

Find the smallest number which when increased by 20 is completely divisible by 12, 20, 15, 18 and 24.

The number of prime numbers lying between 300 and 305 is:

The number of prime numbers lying between 323 and 332 is:

The LCM of the numbers 3.7 and 0.068 is:

Find the Highest Common Factor (HCF) of 372, 732 and 2196.