A sum of money doubles itself in 4 years at compound interest. How many years it will become eight times at the same rate of interest. (a) 12 years (b) 18 years (c) 24 years (d) 16 years

What are the differences between similar triangles and congruent triangles?

What are Armstrong numbers?

All real numbers are rational numbers.

A) True

B) False

The L.C.M of the smallest 2 digit composite number and the smallest composite number is:

• (a) 12
• (b) 4
• (c) 20
• (d) 44

Are all natural numbers also whole numbers?