A solid sphere of radius 6cm is melted and recast into small spherical balls each of diameter 1.2cm. Find the number of balls, thus obtained. A.100 B.1000 C.2000 D.None of these

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?