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Palak

· started a discussion

· 1 Months ago

plz rectify and provide correct solution/question (Question: 246460.0 )

what is this!
again wrong/....
open for 3 min or close before 3 min? plz clarify

Question:
Two pipes P and Q can fill a cistern in 12 and 15 minutes respectively. Both are opened together, but at the end of 3 minutes. P is turned off. In how many more minutes will Q fill the cistern?
Options:
A) \(7\cfrac{1}{2}\) minutes 
B) 8 minutes 
C) 7 minutes 
D) \(8\cfrac{1}{4}\) minutes 
Solution:

Ans: (d)


Palak

· commented

· 1 Months ago

Got it now! Thanks.. Its right
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