Question

A’ and ‘B’ together can complete a work in 20 days while ‘A’ takes 30 days to complete the same work alone. If ‘C’ is 25% more efficient than ‘B’, then find the time taken by ‘C’ alone to complete the whole work.

A 45 days
B 46 days
C 48 days
D 49 days
E None of these
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