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<html><body><h2 id="content-id-2416507389-2"><b>Pipes And Cistern Questions Overview</b></h2><p>Pipes And Cistern Questions have a good weightage in the SSC CPO English Exam and the type of question asked in SSC CPO English exam is similar to the question mentioned below. It has been solved and explained by KD Live Experts under the guidance of Neetu Mam and they have tried to elaborate the concept used in Pipes And Cistern Questions.</p><h2 id="content-id-8162537904-3"><b>Question On Pipes And Cistern </b></h2>Three pipes A, B and C together can fill a tank in 8 hours. These pipes were opened for 2 hours, after that C was closed. Later A and B fill the remaining part in 9 hours. How many hours would pipe C alone take to fill the tank?
<div class="row show--dificulty--bar" style="margin-top:8px;"><div class="col-sm-6 show--dificulty--bar" style="display:inline-flex !important;border-right:0.1px solid #eee;"><h3 style="font-size:12px !important;">Difficulty : Easy </h3></div><div class="col-sm-6 show--dificulty--bar" style="display:inline-flex;"><h3 style="font-size:12px !important;"> Average Time : 41 Seconds </h3></div></div><h2 id="content-id-6803947251-4"><b> Pipes And Cistern Questions Options</b></h2><ol><li><p>10</p>
</li><li><p>20</p>
</li><li><p>24</p>
</li><li><p>12</p>
</li></ol> <h2 id="content-id-9501472638-5"><b> Pipes And Cistern Questions Solution</b></h2><p>The correct answer is <strong>option 3</strong> i.e. <strong>24</strong>.</p>

<p><strong>Smart Approach:</strong></p>

<p>A and B fill 75% of tank in 9 hours. So, they'll fill 100% of the tank in 9 × <span class="math-tex">\(4 \over 3\)</span>= 12 hours.</p>

<p>⇒ A + B = <span class="math-tex">\(1 \over 12\)</span></p>

<p>Also, A + B + C = <span class="math-tex">\(1 \over 8\)</span></p>

<p>⇒ C = <span class="math-tex">\(1 \over 8\)</span>- <span class="math-tex">\(1 \over 12\)</span> = <span class="math-tex">\((3 - 2) \over 24\)</span> = <span class="math-tex">\(1 \over 24\)</span></p>

<p>Hence, C will fill the tank alone in 24 Hours.</p>

<p><strong>Alternative Approach:</strong></p>

<p>Let the capacity of the tank is LCM (8, 9) = 72 units</p>

<p>So, A + B + C = <span class="math-tex">\(72 \over 8\)</span> = 9 units ...(1)</p>

<p>After 2 hours, the tank will be filled = 9 × 2 = 18 units</p>

<p>Remaining tank = 72 - 18 = 54 units</p>

<p>So, A + B = <span class="math-tex">\(54 \over 9\)</span> = 6 units</p>

<p>By putting this in equation (1), we get,</p>

<p>⇒ 6 + C = 9</p>

<p>⇒ C = 3 units</p>

<p>Number of hours taken by C alone to fill the tank = 72/3 = 24 hours</p>
<h2 id="content-id-2786045913-6"><b> Pipes And Cistern Questions Tips and Tricks</b></h2><img loading="lazy" src="https://study.kdcampus.live/questions-blog-pdf/Pipes_And_Cistern_Questions_Tips_and_Tricks.png" alt="Pipes And Cistern Questions Tips and Tricks" height="260" width="480"><ol><li>Try to solve Pipes And Cistern Questions without taking any help from the solutions.</li><li>Pipes And Cistern Questions require proper usage of concept so firstly read the question thoroughly and then use the right concept. </li><li>In case you're not able to solve the question in less than 30 seconds in the exam then you should skip the question and move to the next question.</li></ol><h3><b>Daily Current Affairs </b></h3><img loading="lazy" src="https://study.kdcampus.live/questions-blog-pdf/Daily_Current_Affairs.png" alt="Daily Current Affairs" height="260" width="480"><p>KD Live is providing Current Affairs on a daily basis for SSC and a current affairs quiz too for the practice. 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The correct answer is option 3 i.e. 24. - Pipes And Cistern Questions are asked in SSC CPO English exams and your question has been explained by experts like Neetu Mam.

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