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11. Pipe A can fill a cistern in 6 hours and pipe B can fill the same cistern in 10 hours. Find the time taken to fill thecistern, if both the taps are opened together |
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Answer» Step-by-step EXPLANATION: Part of the tank filled by pipe A and B in 2 hrs. =2( 6 1
+ 8 1
)=2( 24 4+3
)= 12 7
Remaining part =1− 12 7
= 12 5
, This part is filled by pipe B. ∴ Required time = 12 5
×8= 3 10
=3 3 1
hrs. |
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