Question
Pipe 'A' can fill a tank in 20 hours. Pipe 'B' is ____% as efficient as pipe 'A'. If both pipes are opened simultaneously, the tank will be completely full in ____hours.
Pipe 'A' can fill a tank in 20 hours. Pipe 'B' is ____% as efficient as pipe 'A'. If both pipes are opened simultaneously, the tank will be completely full in ____hours.
The values given in which of the following options will fill the blanks in the same order in which is it given to make the statement true:
I. 25, 16
II. 100, 10
III. 150, 8
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