There are m points on a straight line AB and n points on another straight line AC, none of them being A. How many triangles can be formed with these points as vertices? (a) mn2(m+n) (b) mn2(m+n−2) (c) mn2(m+n−1) (d) None of these

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?