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- An outlet pipe can empty a cistern in 3 h.
Question 1:
An outlet pipe can empty a cistern in 3 h. In what time will the pipe empty two-third part of the cistern? A. 4 h
B. 2 h
Feedback Time taken by the pipe to empty the cistern = 3 h
Then, time taken by the pipe to empty the 2/3 part = 3 x 2/3 = 2 h
Then, time taken by the pipe to empty the 2/3 part = 3 x 2/3 = 2 h
C. 3 h
D. 5 h
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