Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hou

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Q 1454401354.     Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately ?
A

1 hour

B

2 hours

C

6 hours

D

8 hours

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

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