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Question 1
What is the volume of the tank in liters if it measures 9m × 5m × 9m?
Question 2
Tap M can fill a cistern in 12 mins. And, a tap N can empty it in 7 mins. In how many minutes will the cistern be emptied if both the taps are opened together when the tank is $6/13$th already empty?
$9{3/65}$ mins.
$10{13/64}$ mins.
$7{54/67}$ mins.
$11{46/67}$ mins.
Ans: a
1 filled cistern can be emptied in ${12 × 7}/{12 - 7}$ mins. So $1 - 6/13$ = $7/13$ filled cistern can be emptied in ${12 × 7}/{12 - 7}$ × $7/13$ = ${588/65}$, which is same as: $9{3/65}$ mins.
Question 3
One tap can fill a tank 3 times faster than the other. If they together fill it in 14 minutes, how much time does the slower alone take to fill the tank?
Question 4
Two taps X and Y can fill a tank in 5 and 13 minutes respectively. Both the taps are turned on at the same time. After how many minutes is the tank completely filled?
Question 5
Pipe A can fill a cistern in 45 minutes, while the pipe B can fill it in 30 minutes. They are alternately open for 1 minute. How long will it take the cistern to fill completely?
This Blog Post/Article "Pipes and Cisterns Quiz Set 008" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Updated on 2020-02-07. Published on: 2016-05-05