If the point (x, 4) lies on a circle whose center is at the origin and radius is 5 units then x =? (a) ±5 (b) ±3 (c) 0 (d) ±4

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?