A circus is to be erected in the form of a cone surmounted on a cylinder. The total height of the tent is 49m. Diameter of the base is 42m and the height of the cylinder is 21m. Find the cost of canvas needed to make the tent, if the cost of canvas is Rs. 12.50/m2. (Take π=22/7)

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?