Pipe ‘A’ can fill a tank in 16 hours. Pipe ‘B’

Q: Answer-Pipe ‘A’ can fill a tank in 16 hours. Pipe ‘B’ is ____% as efficient as pipe ‘A’. If both pipes are...

Let the capacity of the tank be 80x litres.So, efficiency of pipe A 80x 16 5x litreshourFor IEfficiency of pipe B 5x 0.60 3x litreshourTime taken by both pipes together to fill the tank 80x 3x 5x 10 hoursTherefore, statement I is true.For IIEfficiency of pipe B 5x 0.75 3.75x litreshourTime taken by both pipes together to fill the tank 80x 3.75x 5x 9.14 hoursTherefore, statement II is not true.For IIIEfficiency of pipe B 5x 1.4 7x litreshourTime taken by both pipes together to fill the tank 80x 7x 5x 6.66 hoursTherefore, statement III is not true.

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. 60, 10II. 75, 8.5III. 140, 7

A Only I

B Only I and II

C All I, II and III

D Only I and III

E Only III

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Pipe ‘A’ can fill a tank in 16 hours. Pipe ‘B’

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