• U

     Radio Inspector

    upsc ,india one week ago
    board the Merchant Ships irrespective of Nationality of the ship with a view of ensuring That .......
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Today Challenging Question
Q. One pipe ca fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in:
A) 144 minutes
B) 120 minutes
C) 9 minutes
D) none
4 members solved
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