Question

find the distance coverd by a tyre of a car of radius 28cm in 1000 revolutions

Answer 1

radius = 28cm
circumference = 2 * 22/7 * 28
                         = 176cm

no of revolutions = 1000

distance = circumference * no. of revolutions
               = 176 * 1000
               = 176000 cm
               = 1760 m
               = 1.76 km