The first term of an A.P. is 14 and the sums of the first five terms and the first ten terms are equal in magnitude but opposite in sign. Find the third term of the progression.

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?