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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?
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Answer Posted / kishore jangid
Average Speed:
(2xy)/(x+y)
Therefore
=(2*4*5)/(4+5)
=(40)/(9)
=4.4444...
| Is This Answer Correct ? | 6 Yes | 0 No |
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