A body is travelling between two positions A, B it travels from A to B with speed 36 kmph and then from B to
A in the same path with speed 72 kmph, then average speed of total motion is
24 kmph
B90 kmph
c48 kmph
D 54 kmph
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Answer:
D.54 kmph
Explanation:
Hope it helps you
Jai hind
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