Find the total cost of whitewashing the 4 walls of a cuboidal room at the rate Rs.15 per m2 . The internal measures of the cuboidal room are length 10m, breadth 4m, and height 4m.

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?