Tick the correct answer in the following and justify your choice: if the perimeter and area of a circle are numerically equal, then the radius of circle is A.2 units B. π units C.4 units D.7 units

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?