1.

Ram covers a part of the journey at 20 kmph and the balance at 70 kmph taking total of 8 hours to cover the distance of 400 km. How many hours has he been driving at 20 kmph?

A. 3 hours 12 minutes
B. 2 hours
C. 3 hours 20 minutes
D. 4 hours 40 minutes
Answer» B. 2 hours


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