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### Question 1

Two ink dispensers discharge ink into a color mixer. The first one can fill it in 36 minutes, whereas the second can fill it in 9 minutes. Both them are opened at the same time, but the second ink dispenser is turned off after 7 minutes. What is the total time required to fill the color mixer cistern?

### Question 2

Two taps X and Y can fill a tank in 9 and 4 minutes respectively. Both the taps are turned on at the same time. After how many minutes is the tank completely filled?

### Question 3

A tank is filled in 15 minutes by three taps running together. Tap A is twice as fast as tap B, and tap B is twice as fast as tap C. How much time will tap A take to fill the tank?

### Question 4

One tap can fill a tank 4 times faster than the other. If they together fill it in 5 minutes, how much time does the slower alone take to fill the tank?

### Question 5

Two ink dispensers discharge ink into a color mixer. The first one can fill it in 40 minutes, whereas the second can fill it in 10 minutes. Both them are opened at the same time, but the second ink dispenser is turned off after 5 minutes. What is the total time required to fill the color mixer cistern?

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This Blog Post/Article "Pipes and Cisterns Quiz Set 001" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

Updated on 2018-01-02.