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A can do a piece of work in 24 days while B alone can do it in 16 days. But with the help of C, they finish the work in 8 days. C alone can do the work in ?
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- 32 days
- 36 days
- 40 days
- 48 days
Correct Option: D
∵ C's 1 day's work
= [( A + B + C)'s 1 day's work] - [(A + B)'s 1 day's work]
= [1/8 - (1/24 + 1/16)] = (1/8 - 5/48) = 1/48
∴ C alone can do it in 48 days.
