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P, Q and R can complete a work in 24, 6 and 12 days respectively. The work will be completed in --- days if all of them are working together. | |
A. | 2 [Wrong Answer] |
B. | 3 3⁄7 [Correct Answer] |
C. | 4 ¼ [Wrong Answer] |
D. | 5 [Wrong Answer] |