Ram buys a wrist watch for Rs. 250 and spends Rs. 50 on its repairs. If he sells same for Rs. 450, find his profit percent. A.10% B.20% C.40% D.50%

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?