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sandeep kumar

· started a discussion

· 1 Months ago

wrong statement (Question:617865.4)

the statement says 'a' fills and 'b' empties

Question:
DIRECTIONS: Select the correct alternative from the given choices.
Two pipes A and B can fill an empty tank in one hour and one hour-30 minutes respectively. Pipe C can empty the tank in two hours and thirty minutes. When the tank is empty, the pipes A and B are opened for thirty minutes and then closed. Now the time taken by the pipe C to empty this quantity is ______.
Options:
A) 1 \(\cfrac{1}{6}\) hrs
B) 1 \(\cfrac{5}{6}\) hrs
C) 2 \(\cfrac{1}{12}\) hrs
D) 2 \(\cfrac{1}{3}\) hrs
E) None of these
Solution:

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