Expanded form of (xy)4 is – A. (-xy) × (-xy) × (-xy) × (-xy) B. 4 × (-xy) C. (-xy) × (-xy) D. (-xy) × (-xy) × (-xy)

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?