If the radius of a circle is increased by 20% then the corresponding increase in the area of the circle is _______? A. 40% B. 44% C. 20% D. 21%

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?