A cylindrical drum of diameter is wound with a belt
MATHEMATICS · Single correct · CBSE · Mathematics · Areas Related to Circles · Areas Related to Circles
Problem
A cylindrical drum of diameter 50cm is wound with a belt. If the drum makes 500 complete revolutions, approximately how far (in metres) will a point on the belt move?
(a) 393m
(b) 785m
(c) 1570m
(d) 250m