Bilal can do a work in 15 days and Jalal in 12 days. If they work on it together for 4 days, the fraction of work that is left is________?

Bilal can do a work in 15 days and Jalal in 12 days. If they work on i

1.	Bilal can do a work in 15 days and Jalal in 12 days. If they work on it together for 4 days, the fraction of work that is left is________?
A.	3/5
B.	4/7
C.	2/5
D.	1/4
Answer» D. 1/4

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Bilal can do a work in 15 days and Jalal in 12 days. If they work on it together for 4 days, the fraction of work that is left is________?

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