If 3/5 th of a cistern is filled in 1 minute, how much more

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If 3/5 th of a cistern is filled in 1 minute, how much more time will be required to fill the rest of it?

[Railways Group D 27 Dec 2013 With Answers]

A 40 sec

B 30 sec,

C 36 sec,

D 24 sec,