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Question

‘A’ and ‘B’ together can complete a work in 16 days, while ‘B’ and ‘C’ together can complete the work in 12 days. If ‘B’ takes 20 days to complete the work alone then find the time taken by all three together to complete 57.5% of work.

A 6 days

B 8 days

C 9 days

D 5 days

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