A pre-owned car show-room owner bought a second-hand car for Rs.1,50,000. He spent Rs.20,000 on repairs and painting then sold it for Rs.2,00,000. Find whether he gets profit or loss. If so, in what percentage?

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?