If y=x3−ax2+48x+7 is an increasing function of all real values of x , then a lies in: a) (−14,14) b) (−12,12) c) (−16,16) d) (−21,21)

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?