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palnitya:
it should be 240/7 km/h
markzukerberg ur answer is wrong
yes it should be 240/7 ......read the question wrong
dhruti??????
according to the formula it's total distance by total time which is 240/7
It's dhru
Need not cAll Dhruthi
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Average speed = total distance / total time taken
A. Speed = (120×2)/{(120÷40) +( 120 ÷ 30)}
= 240/7 = 34.28km/hr
A. Speed = (120×2)/{(120÷40) +( 120 ÷ 30)}
= 240/7 = 34.28km/hr
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