Multiple Choice Questions

Ram and Ravi can do a job together in 8 days Ram is 11 8 times as efficient as Ravi The same job can...........

Quantitative Aptitude (CSC) Time and work

Ram and Ravi can do a job together in 8 days. Ram is 11/8 times as efficient as Ravi. The same job can be done by Ravi alone in

Solution:
Ram :Ravi 11: 8(Efficiency)
(11+8) = 19 8(both completed in 8days)
Then Ravi 8 = (Efficiency and days are reciprocal)19*8/8=19days.

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