Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours, C is closed and A and B can

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Q 1474001856.     Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours, C is closed and A and B can fill the remaining part in 7 hours. The number of hours taken by C alone to fill the tank is:
A

10

B

12

C

14

D

16

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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