Question

If the outer and the inner radii of a circular track are 7 m and 3.5 m respectively, then the area of the track is ________.
A. 100 `m^(2)`
B. 178 `m^(2)`
C. 115.5 `m^(2)`
D. 135.5 `m^(2)`

Answer 1

Correct Answer - A
Area of the track = Area of outer circle - Area of inner circle.