Physics, asked by vijaya139, 8 months ago

a boy travels with speeds 10kmph,20kmph,30kmph for 3 successive journey distances which are in the ratio 2:1:3 . find the average speed of the boy

Answers

Answered by RashiDahiya

3

Explanation:

The average speed is 300/19 Km/Hour

Or

15.789 Km/h

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