Pipes and Cisterns Practice Test 12 is a challenging short drill of 15 multiple-choice questions on pipes and cisterns, created by Xigma Academy for candidates preparing for SSC CGL and other staff-selection and government recruitment exams. It is test 12 in the Pipes and Cisterns series on TestMint. This test is free to attempt.
What this test covers
- Pipes and Cisterns: 15 questions
Test details
| Questions | 15 |
|---|---|
| Duration | 25 minutes |
| Marks | 1 per question, 15 in total |
| Negative marking | None |
| Difficulty | Mostly challenging |
| Access | Free |
A sample question from this test
A tank holds 495 litres. An inlet pipe fills it at 70 litres per minute while an outlet pipe drains it at 55 litres per minute. If both are open, in how many minutes will the empty tank be full?
- 40
- 33
- 31
- 32
Answer: B. 33. Net filling rate = 70 − 55 = 15 litres per minute. Time = 495 ÷ 15 = 33 minutes.
How to approach this test
Treat filling pipes as positive rates and emptying pipes or leaks as negative rates, then divide the capacity by the net rate.
This set leans hard, with multi-step questions, so treat it as a stretch: attempt the questions you can see a method for first and return to the rest. At 15 questions in 25 minutes, you have about 100 seconds per question on average. After you submit, review every wrong or guessed answer using the explanations.
Keep practising
Continue with all SSC CGL mock tests, free mock tests, a guide to preparing this topic and how to review your mistakes.