Q 1: If triangle ABC, D is mid point of AB and DE // BC then AE = _____. 1/2 AD AC 1/2 AC

Q 2: If the characteristic of a logarithm of a number is 10, the number will have ______ digits. 9 10 11

Q 3: Find the square root of 529. 25 23 27 21

Q 4: The radius of a sphere is 5.25 cm. to paint the surface of the sphere at 4 cents per 1 Sq. cm. how much will it cost? $ 13.65 $ 13.86 $ 13.68 $ 13.56