CivilsIASPrep.comUPSC PYQs: Pipes and cisterns
Review complete published questions grouped by topic: Pipes and cisterns.
Other qualifying topic groups
- Acid Rain3 published questions
- Administrative Tribunals2 published questions
- African lakes2 published questions
- Age ordering2 published questions
- Ages5 published questions
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- Agricultural Subsidies2 published questions
- AI and employment2 published questions
- AI in agriculture2 published questions
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- Assumptions from passage8 published questions
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- Averages3 published questions
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- Patriarchy2 published questions
- Percentage3 published questions
- Percentages17 published questions
- Permutations3 published questions
- Physical & Indian Geography2 published questions
- Pipes and cisterns2 published questions
- Plant Physiology2 published questions
- Political geography2 published questions
- Polity & Governance31 published questions
- Poverty3 published questions
- Power and Character2 published questions
- Preamble4 published questions
- Pressure Groups3 published questions
- Prime factorization2 published questions
- Prime numbers2 published questions
- Prison Administration2 published questions
- Probability3 published questions
- Probity2 published questions
- Profit and Loss4 published questions
- Protected areas4 published questions
- Public Accounts Committee3 published questions
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- Public Service2 published questions
- Public Service Attributes2 published questions
- Quantitative Aptitude75 published questions
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- Quit India Movement3 published questions
- Rai Sahib passage2 published questions
- Ranking4 published questions
- Ranking & Ordering3 published questions
- Ratio3 published questions
- Ratio and proportion3 published questions
- Reading Comprehension143 published questions
- REDD+2 published questions
- Regional Dialects2 published questions
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- Regionalism3 published questions
- Relative speed3 published questions
- Remainders3 published questions
- Renewable Energy3 published questions
- Rest and social expectations2 published questions
- Revolt of 18572 published questions
- Right to Privacy2 published questions
- River Interlinking2 published questions
- River systems2 published questions
- Rock-cut Architecture3 published questions
- S&T2 published questions
- Sangam Literature3 published questions
- Sankhya Philosophy2 published questions
- Scheduled Tribes2 published questions
- Science & Technology12 published questions
- Seating Arrangement2 published questions
- Secularism5 published questions
- Selections4 published questions
- Self-Help Groups4 published questions
- Separation of Powers3 published questions
- Sequence Analysis2 published questions
- Set Logic6 published questions
- Set Relations3 published questions
- Set theory2 published questions
- Sets2 published questions
- Sets & Venn Diagrams2 published questions
- Simultaneous equations2 published questions
- Smart Cities and Smart Villages2 published questions
- Socio Religious Reform2 published questions
- Solar Energy5 published questions
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- Spatial reasoning9 published questions
- Speed, time & distance5 published questions
- Sport and life skills2 published questions
- Squares2 published questions
- Statement and Conclusion4 published questions
- Sugar Industry2 published questions
- Supreme Court2 published questions
- Swadeshi Movement4 published questions
- Syllogism11 published questions
- Tabular Data2 published questions
- Technology, Space & Applied Science13 published questions
- Temple architecture4 published questions
- Terrorism3 published questions
- Thunder and Lightning2 published questions
- Time and work4 published questions
- Time speed distance4 published questions
- Traditional Knowledge Digital Library2 published questions
- Tribes of India2 published questions
- Tropical Cyclones2 published questions
- Union Budget2 published questions
- Union Executive2 published questions
- Units & volume2 published questions
- Units digit2 published questions
- UPSC Prelims 2015 GS Paper I100 published questions
- Urban Floods3 published questions
- Vijayanagara Architecture3 published questions
- Vijayanagara Empire4 published questions
- Vikramarjuna Vijaya2 published questions
- Virology2 published questions
- Viruses2 published questions
- Visual Sequence5 published questions
- War and Diplomacy2 published questions
- Water Pollution2 published questions
- Water Resources2 published questions
- Welfare Schemes2 published questions
- West Asia2 published questions
- Wetlands2 published questions
- Wildlife Protection2 published questions
- Women Empowerment2 published questions
- Women in Freedom Struggle2 published questions
- Workplace Harassment Case Study2 published questions
- World Physical Geography2 published questions
Questions
- Twenty pipes of set X can fill 70% of a tank in 14 minutes. Ten pipes of set Y fill 3/8 of it in 6 minutes. Sixteen pipes of set Z can empty half the tank in 20 minutes. If only 10 X pipes and 5 Y pipes work while all Z pipes are open, how long is required to fill half the tank?2025 · Prelims CSAT · Numeracy, Basic Numeracy · Pipes and cisterns
- Pipes A and B can fill a tank independently in 20 and 30 minutes. If opened together, how long do they take?2015 · Prelims CSAT · Quantitative Aptitude · Pipes and cisterns