On the entire Earth the ratio between land and water is 1:2 and in the Northern Hemisphere the ratio is 2:3 what will be the ratio of land with water in the Southern Hemisphere ? A.11:4 B.4:11 C.15:4 D.4:15

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?