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Multiple Choice Questions

X alone can do a piece of work in 5 days Y can do the same piece of work in 4 days X and Y are assig...........

Quantitative Aptitude(IBPS CL) Time and work

X alone can do a piece of work in 5 days. Y can do the same piece of work in 4 days. X and Y are assigned to do the work for Rs.5000.They complete the work in 2 days with the help of Z. How much is to be paid to Z ?

Rs.750

Rs.620

Rs.700

Rs.500

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Explanation:

Z’s one day work = 1/2 – [ 1/5+1/4] = 10-4+5/20 = 1/20
Ratio = 1/5:1/4:1/20 = 4/20 : 5/20 : 1/20 = 4:5:1
Z = 5000*1/10 = 500

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X alone can do a piece of work in 5 days Y can do the same piece of work in 4 days X and Y are assig...........

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Explanation:

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