Arithmetic Ability
Area

92 / 149

Q.

Four circular cardboard pieces, each of radius 7cm are placed in such a way that each piece touches two other pieces. The area of the space encosed by the four pieces is

View Answer

Correct choice: C

Explanation:

required area = [14 x 14 - (4 x 1/4 x 22/7 x 7 x 7) ]sq.cm = 196 - 154 = 42 sq.cm.
92 / 149