Curved surface area of the solid sphere is 24 cm2. If the sphere is divided into two hemispheres, then the total surface area of one of the hemispheres is A. 12 cm2 B. 8 cm2 C. 16 cm2 D. 18 cm2

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?