The parallel sides of trapezium are 20cm and 10cm. Its non-parallel sides are 13cm each. Find the area of trapezium? (A)120cm2 (B) 180cm2 (C) 210cm2 (D) 150cm2

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?