Monday 21 July 2014

A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:

A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in: 

Options:
A. 20 days     B. 22.5    C. 25 days   D. 30 days




Answer:  B

Explanation: 

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