A cone is divided into two parts by drawing a plane through a point which divides its height in the ratio 1:2 starting from the vertex and the plane is parallel to the base. Compare the volume of the two parts.

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?