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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 / 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 |
Answer / k.k
27 kms in 9 hrs means 3kms/ hrs then 5kms/hrs the average speed is 3+5=8/2=4 kms/hrs
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / sank
there is a difference between the terms average speed and average of speeds
ans posted by Jayanti is average speed(toatal dis./total time)
while post of Janu calculates average of speed
| Is This Answer Correct ? | 1 Yes | 3 No |
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