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J singh

· started a discussion

· 1 Months ago

solution (Question: 184998.0 )

answer is 4.5 h

Question:
Two pipes A and B can separately fill a tank in 6 hours and 8 hours repetitively. Both the pipes are opened together. But the pipe A is turned off after 1\(\cfrac{1}{2}\) hours from the start. How much time will it take to fill the tank?
Options:
A) 4\(\cfrac{1}{2}\)\(\cfrac{1}{2}\) hours
B) 5\(\cfrac{1}{2}\) hours
C) 5 hours
D) 6 hours
Solution:
Ans: (d)


vijay

· commented

· 1 Months ago

yes answer is 4.5
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