A hemispherical bowl made of brass has an inner diameter of 10.5cm. Find the cost of tin planting it on the inside at the rate of 16 per 100cm2.

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?