The length of the tangent drawn from any point on the circle x2+y2+2gx+2fy+p=0 to the circle x2+y2+2gx+2fy+q=0 is: A. q−p−−−−√ B. p−q−−−−√ C. q+p−−−−√ D. 2q+p−−−−−√

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?