Question

A bus has wheels of diameter 1.4 m. Travelling from one town to the other, the
wheels complete 20,000 rotations. Find the distance covered by the bus
(Select two correct alternatives.)
(1) 88 km (2) 44 km (3) 88000 m (4) 44000 m
1​

Answer 1

Answer:

Given, diameter = 1.4 m

so, Radius = 0.7 m

Hence circumference = 2πr

                                    = 2*22*0.7/7

                                    = 4.4 m

Hence, Distance covered = 20000*4.4 = 88000 m = 88 km