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 ?

On a journey across Delhi, a taxi average 30 kmph for 60% of the dista

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.	20 km/hr
B.	22.5 km/hr
C.	24.625 km/hr
D.	25km/hr
Answer» B. 22.5 km/hr

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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 ?

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