Q. X can complete 5/7 part of a work in 10 days and Y can complete 3/4 part of the same work in 9 days. In how many days will both complete 13/21 part of the total work?
A) 4
B) 6
C) 12
D) 3
✔ Correct Answer: 4
Exam Insight
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A) 4
B) 6
C) 12
D) 3
✔ Correct Answer: 4
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