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Qn #2206
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A can do a piece of work in 12 days. B can do the same work in 15 days. If they work together for 4 days, what fraction of the work is left?
A.
1/5
B.
2/5
C.
3/5
D.
4/5
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❓ Question: A can do a piece of work in 12 days. B can do the ... | TANCET Group Studies | Tancet Group Studies