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1. |
A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts together but after 4 days A leaves the job and B left the job 6days before the work was completed. C completed the remaining work alone. In how many days was the total work completed? |
A. | 10 |
B. | 12 |
C. | 14 |
D. | 16 |
Answer» D. 16 | |