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Pipe & Cistern Video Lecture | RBI Assistant Preparation Course - Bank Exams

FAQs on Pipe & Cistern Video Lecture - RBI Assistant Preparation Course - Bank Exams

1. What are the basic principles of pipe and cistern problems in bank exams?

Ans. The basic principles involve understanding the rates of filling and emptying pipes, calculating the time taken to fill or empty a tank, and applying the concept of work done. Typically, if a pipe can fill a tank in 'x' hours, its rate of work is 1/x of the tank per hour. If multiple pipes are involved, their rates are added or subtracted based on whether they are filling or emptying.

2. How do you calculate the time taken to fill a tank using multiple pipes?

Ans. To calculate the time taken to fill a tank using multiple pipes, first determine the filling rate of each pipe. If Pipe A fills the tank in 'x' hours and Pipe B fills it in 'y' hours, their combined rate is 1/x + 1/y. The total time taken to fill the tank is then calculated by taking the reciprocal of the combined rate.

3. What is the formula for finding the volume of a tank when given the dimensions?

Ans. The volume of a tank can be calculated using the formula: Volume = Length × Width × Height for rectangular tanks. For cylindrical tanks, the formula is Volume = π × (Radius²) × Height. Knowing the volume helps in determining how long it will take to fill the tank with given pipe rates.

4. How do you approach problems where a pipe can fill the tank faster than another pipe can empty it?

Ans. In such cases, you add the rates of the filling pipe and subtract the rate of the emptying pipe. The net rate will give you the effective rate at which the tank is filled. The time taken to fill the tank can then be calculated by dividing the volume of the tank by the net filling rate.

5. Are there common mistakes to avoid in pipe and cistern problems during bank exams?

Ans. Yes, common mistakes include miscalculating the rates, forgetting to convert units, and not correctly interpreting the problem (e.g., whether a pipe is filling or emptying). It's also important to check if the problem involves multiple pipes and to ensure all rates are accounted for correctly.

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Sep 07, 2025 Last updated

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Video Description: Pipe & Cistern for Bank Exams 2025 is part of RBI Assistant Preparation Course preparation. The notes and questions for Pipe & Cistern have been prepared according to the Bank Exams exam syllabus. Information about Pipe & Cistern covers all important topics for Bank Exams 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Pipe & Cistern.

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