Q. A can do a piece of work in 9 days while B can do it in 12 days. A and B together can do the work in
A) 5 2/7 days
B) 5 1/7 days
C) 6 2/7 days
D) 6 1/7 days
✔ Correct Answer: 5 1/7 days
Exam Insight
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A) 5 2/7 days
B) 5 1/7 days
C) 6 2/7 days
D) 6 1/7 days
✔ Correct Answer: 5 1/7 days
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