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Pipes and Cisterns MCQs for Competitive Exams

Prepare for Pipes and Cisterns MCQs for Competitive Exams with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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Practice Questions

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Topic Notes: Pipes and Cisterns

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Master Pipes and Cisterns MCQs for Competitive Exams with our comprehensive, verified question bank. Designed for students and competitive exam aspirants across Pakistan, this study resource provides topic-wise practice questions for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests.

Exam Focus
Aligned with FPSC, PPSC, and CSS syllabus criteria for Pipes and Cisterns.
Past Papers
Includes frequently repeated questions from past examinations.
Solved & Verified
Each question features verified answers and conceptual explanations.

Preparation Guide & Key Focus Areas for Pipes and Cisterns MCQs

When preparing for Pipes and Cisterns MCQs (Mathematics-General Ability), focus on core definitions, historical timelines, relevant provisions, and commonly tested factual points. Review each question below, test your knowledge against the given options, and inspect the detailed explanation to solidify your understanding.

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11
A tank is filled by two pipes in 20 min and 21 min respectively, and drained by a third pipe in 30 min. How long to fill the tank if all operate together?
12
A tank is filled by two pipes in 18 min and 20 min respectively, and drained by a third pipe in 30 min. How long to fill the tank if all operate together?
13
A tank is filled by two pipes in 20 min and 25 min respectively, and drained by a third pipe in 30 min. How long to fill the tank if all operate together?
14
A tank is filled by two pipes in 16 min and 24 min respectively, and drained by a third pipe in 30 min. How long to fill the tank if all operate together?
15
A tank is filled by two pipes in 16 min and 21 min respectively, and drained by a third pipe in 34 min. How long to fill the tank if all operate together?
16
A tank is filled by two pipes in 18 min and 21 min respectively, and drained by a third pipe in 31 min. How long to fill the tank if all operate together?
17
A tank is filled by two pipes in 20 min and 26 min respectively, and drained by a third pipe in 31 min. How long to fill the tank if all operate together?
18
A tank is filled by two pipes in 16 min and 20 min respectively, and drained by a third pipe in 31 min. How long to fill the tank if all operate together?
19
A tank is filled by two pipes in 16 min and 23 min respectively, and drained by a third pipe in 34 min. How long to fill the tank if all operate together?
20
A tank is filled by two pipes in 18 min and 24 min respectively, and drained by a third pipe in 32 min. How long to fill the tank if all operate together?