A cricket stump is in the shape of a cylinder surmounted by a cone. The diameter of the cylinder and the total height of the stump are 10 cm and 80 cm respectively. If the height of the conical part is 12 cm, then find its total surface area.

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?