Pipes and Cistern online test, online practice test, exam, quiz

Pipes and Cistern Online Test

The purpose of this online test is to help you evaluate your Pipes and Cistern knowledge yourself. These Multiple Choice Questions (MCQs) on Pipes and Cistern will prepare you for technical round of job interview, written test and many certification exams.

The test contains 20 questions and there is no time limit. You will get 1 point for each correct answer. You will get your online test score after finishing the complete test.
(Total 20 questions)        (Time spent 0:0)

1. Three pipes A, B and C can fill a tank in 8 hours. After working at it together for 4 hours, C is closed and A and B can fill the remaining part in 8 hours. The number of hours taken by C alone to fill the cistern is:

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