Question

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 on a bicycle with his friend and reaches home in 20 minutes. His average speed is
A)8.3 kmph
B)7.2 kmph
C)5 kmph
D)3.6 kmph​

Answer 1

Answer:

5 kmph

Explanation: