The ratio of the speeds of 'A' and 'B' is 3 : 7. If 'A' takes 16 hours – InterviewSolution

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1.

The ratio of the speeds of 'A' and 'B' is 3 : 7. If 'A' takes 16 hours more than 'B' to cover a distance, what is the actual time taken by 'B' ?

Answer»

12 hrs

Let the SPEEDS of A and B be x kmh-1 and y kmh-1 and TIME TAKEN by them be t1 and t2
Distance = xt1 = yt2
∴ x/y = t2/t1

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