A man travels from A to B at 4 mph over a certain journey
and returns over the same route to A, at 5 mph. What is his
average speed for the journey?
Answer Posted / bala
man A to B = 4mph
man B to A = 5mph
(4/100=4%, 5/100=5%)
average speed =4mph+5mph/200*100
=4.5mph.
Is This Answer Correct ? | 2 Yes | 1 No |
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