Economy, asked by harshkumar101722, 3 months ago

A train runs non stop from delhi to pune at a speed of 75kmph and returns the same way at a speed of 60kmph. Calculate the average speed for up and down journey?

Answers

Answered by jayashreelavakumar

0

Answer:

66.66kmph

Explanation:

avg speed=2(S1*S2)/S1+S2

=2(60*75)/135

=66.66

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