A number is increased by 20% and then again by 20%. By what percent should an increased number be reduced so as to get back the original number? A. 3059% B. 4059% C. 40% D. 30%

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?