Question

Bhuvan walks to his school which is at a distance of 3 km from his home in 30 min. On reaching, he finds that the school is closed and comes back by a bicycle with his friend and reaches home in 20 min. His average speed in km/h is

Answer 1

Answer:

his speed us 90

Explanation:

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Answer 2

Answer:

7.2 km/hr

Explanation:

Total distance travelled by him=6 km

Total time taken =30min+20min=50min

=5/6 hour

Since,

Average speed =total distance travelled /total time taken

His average speed =6/(5/6) km/hr

=36/5 km/hr=7.2 km/hr