Three taps T1, T2 and T3 can fill one tank in 12, 20 and 24 hours resp – McqOptions

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1.	Three taps T1, T2 and T3 can fill one tank in 12, 20 and 24 hours respectively. If in the first hour T1 is opened, then in the next hour T2 and T3 are opened and same pattern continues then in how much time the tank will get full?
A.	12 hours
B.	11 hours 48 mins.
C.	13 hours
D.	11 hours 27.27 mins.
E.	12 hours 48 mins.
Answer» E. 12 hours 48 mins.

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