On a journey across Delhi, a taxi average 30 kmph for 60% of the di – McqOptions

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1.	On a journey across Delhi, a taxi average 30 kmph for 60% of the distance, 20 kmph for 20% of it and 10 kmph for the remainder, the average speed for the whole journey is ?
A.	5 km/hr
B.	10 km/hr
C.	15km/hr
D.	20 km/hr
Answer» E.

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