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Two workers A and B working together completed a job in 5 days. If A had worked twice as efficiently as he actually did, the work would have been completed in 3 days. To complete the job along, A would require: 

(a) 26/5 days 

(b) 25/4 days 

(c) 15/2 days 

(d) 35/4 days

1 Answer

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Best answer

Correct option (c) 15/2 days

Explanation:

Assume A eff. is 2 units B’s is 1 units. 

So it satisfies the equation of both cases 

So actual efficiency of A is 2 Units/day

A alone complete the work in

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