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Question 1
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A can work twice as fast as B. A and C together can work three times as fast as B. If A, B and C complete a job in 30 days working together, in how many days can each of them complete the work.
A.
50, 100, 120
B.
60, 120, 120
C.
60, 100, 80
D.
40, 80, 100
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