If 1, 5, 7 are the roots of ax3+bx2+cx+d=0 , then the roots of ax3+2bx2+4cx+8d=0 are: (a) 2, 10, 14 (b) 1/2, 5/2, 7/2 (c) –2, –10, –14 (d) 0, 2, 10

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?