A 5×5×5 cube is formed by using 1×1×1 cubes. If we add another layer of such 1×1×1 cube around the 5×5×5 cube. What will be the number of 1×1×1 cubes in the newly formed cube?

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?