A motorcycle drives from A to B with a uniform speed of 30 Kmh -1 and returns back with a speed of20kmh -1 . Find its average speed.
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it will be 25kmh from a to b
sindhuja2005:
i want the full explaination
the answer is correct thanks but the full explaination was needed
please do it quick
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speed = distance /time
=30+20/120 min .
= 50/120
=5/12
=30+20/120 min .
= 50/120
=5/12
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i did
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