Relevant Competitive Tests:
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 cistern. How much time will be taken by A to fill the cistern separately?
A. 1 hr
B. 2 hrs
C. 6 hrsCorrect Answer
D. 8 hrs
Correct Option: C. 6 hrs
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