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Multiple Choice Questions

3 men and 4 women can complete a piece of work in 12 while the same is finished by 2 men and one wom...........

Quantitative Aptitude(IBPS RRB PO) Time and work

3 men and 4 women can complete a piece of work in 12 while the same is finished by 2 men and one woman in 15 days. A boy who is 25% less efficient than that of man can complete the piece of work in how many days.

400/11

420/11

430/11

450/11

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Explanation:

Answer & Solution
Answer –a) 400/11
Solution:
3m + 4w = 1/12
2m + w = 1/15. After solving we one day work of man = 33/900
One day work of the boy is= 75/100*(33/900) = 11/400. So no of days needed will be 400/11.

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