8. A hemispherical bowl is 11UUle of steel, 0.25 cm thi.ck. The inner radius of the bowl is 6 cm. Find the outer curved surface area of the bowl.

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?