In how many ways a group of 3 boys and 2 girls can be formed out of a total of 4 boys and 4 girls? A) 15 B) 16 C) 20 D) 24

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?