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Question
A can do as much work as B and C together can do. A and B can together do a piece of work in 9 hours 36 minutes and C can do it in 48 hours. The time in hours that B needs to do the work alone, is ?
Options:
A .  18 hours
B .  24 hours
C .  30 hours
D .  12 hours
Answer: Option B

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