Q9Multiple choice
Boojho walks to his school which is at a distance of 3 km from his home in 30 minutes. On reaching he finds that the school is closed and comes back by a bicycle with his friend and reaches home in 20 minutes. His average speed in km/h is
- (a)8.3
- (b)7.2
- (c)5
- (d)3.6 MOTION AND TIME 71
Show answer
(b) 7.2