Arpita’s present age is thrice of Shilpa. If Shilpa’s age 3 years ago was x . Then, Arpita’s present age is A. 3(x−2) B. 3x+9 C. 3x−9 D. 3x

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?