Q. A can do a work in 15 days and B in 20 days. If they work on it together for 5 days, then what fraction of work is left?
A) 3/10
B) 2/9
C) 1/4
D) 5/12
✔ Correct Answer: 5/12
Exam Insight
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A) 3/10
B) 2/9
C) 1/4
D) 5/12
✔ Correct Answer: 5/12
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