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A man covers 27 kms in 9 hrs and return home with a speed
of 5 km/hr.what is his average speed for entire journey?
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Answer Posted / jayanthi
if he covers 27km in 9hrs means his speed is 3kmphr.for
return journey his speed is given as 5kmphr.so average is
(2xy/(x+y))i.e.2(3)(5)/(3+5)=3.75kmphr
| Is This Answer Correct ? | 18 Yes | 6 No |
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