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Question

Quantitative Aptitude Question on Time and Work

A can do a job in 20 days, B can do it in 30 days, and C can do it in 40 days. If they all work together for 8 days, what fraction of the job remains?

A

215\frac{2}{15}

B

512\frac{5}{12}

C

1315\frac{13}{15}

D

712\frac{7}{12}

Answer

215\frac{2}{15}

Explanation

Solution

The correct option is (A): 215\frac{2}{15}