Three taps A,B and C together can fill an empty cistern in 10 minutes. The tap A alone can fill it in 30 minutes and the tap B alone in 40 minutes.How long will the tap C alone take to fill it ?

Three taps A,B and C together can fill an empty cistern in 10 minutes.

1.	Three taps A,B and C together can fill an empty cistern in 10 minutes. The tap A alone can fill it in 30 minutes and the tap B alone in 40 minutes.How long will the tap C alone take to fill it ?
A.	16 minutes
B.	24 minutes
C.
D.	32 minutes
E.	40 minutes
Answer» C.

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