Pipes and Cisterns Practice Test 1 with solutions

Question : 26 of 40

Marks: +1, -0

Two pipes A and B can fill a tank in 24 min. and 32 min. respectively. If both the pipes are opened simultaneously, after how much time B should be close so that the tank is full in 18 minutes?

6 min.
8 min.
10 min.
12 min.

Validate

Solution:

In 18 minutes the part filled by pipe A = 18 ×

1/{24}

3/4

Remaining part = 1 -

3/4

1/4

Time taken by B to fill the remaining part =

{1/4}/{1/{32}}

= 8 minutes.

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