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<html><body><h2 id="content-id-4023591687-2"><b>Mixed Graph Questions Overview</b></h2><p>Mixed Graph Questions have a good weightage in the Ssc Chsl Exam and the type of question asked in Ssc Chsl 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 Mixed Graph Questions.</p><h2 id="content-id-4690825317-3"><b> Comprehension On Mixed Graph Questions</b></h2>Direction: A cistern is initially empty. Five pipes P, Q, R, S and T are connected to it. Pipes P, Q and T are inlet pipes, while pipes R and S are outlet pipes. The table shows the flow rate and active time-slots of each pipe during a 60-minute trial. The line graph shows the quantity of water present in the cistern at the end of each 10-minute interval.


	
		
			
			Pipe
			
			
			Type
			
			
			Flow rate
			
			
			Active time-slots
			
		
		
			
			P
			
			
			Inlet
			
			
			120 litres/min
			
			
			0–30 min
			
		
		
			
			Q
			
			
			Inlet
			
			
			z litres/min
			
			
			0–20 min and 40–60 min
			
		
		
			
			R
			
			
			Outlet
			
			
			50 litres/min
			
			
			10–40 min
			
		
		
			
			S
			
			
			Outlet
			
			
			30 litres/min
			
			
			20–50 min
			
		
		
			
			T
			
			
			Inlet
			
			
			110 litres/min
			
			
			30–60 min
			
		
	


 



 

Note : At the end of 60 minutes, the cistern becomes completely full.
<h2 id="content-id-6137249805-4"><b>Question On Mixed Graph </b></h2>The cistern initially contains 1260 litres of water. From 20th minute onward, pipe Q is also made active from 20th minute to 40th minute, and pipe S remains closed from 20th minute to 30th minute only. All other pipes follow the given schedule. Find the exact time at which the cistern becomes completely full.
<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 : 75 Seconds </h3></div></div><h2 id="content-id-8637940125-5"><b> Mixed Graph Questions Options</b></h2><ol><li><p>42</p>
</li><li><p>40</p>
</li><li><p>44</p>
</li><li><p>38</p>
</li><li><p>36</p>
</li></ol> <h2 id="content-id-4386510279-6"><b> Mixed Graph Questions Solution</b></h2><p>The correct answer is <strong>option 1</strong> i.e. <strong>42</strong></p>

<p>From 0–10 min,</p>

<p>(120 + z) × 10 = 2100</p>

<p>120 + z = 210</p>

<p>z = 90 L/min</p>

<table border="1" cellspacing="0" style="width:350px">
	<tbody>
		<tr>
			<td>
			<p>Time Interval</p>
			</td>
			<td>
			<p>Net Rate (L/min)</p>
			</td>
			<td>
			<p>Water Added (L)</p>
			</td>
			<td>
			<p>Water in Cistern (L)</p>
			</td>
		</tr>
		<tr>
			<td>
			<p>0–10</p>
			</td>
			<td>
			<p>120 + 90 = 210</p>
			</td>
			<td>
			<p>210 × 10 = 2100</p>
			</td>
			<td>
			<p>2100</p>
			</td>
		</tr>
		<tr>
			<td>
			<p>10–20</p>
			</td>
			<td>
			<p>120 + 90 − 50 = 160</p>
			</td>
			<td>
			<p>160 × 10 = 1600</p>
			</td>
			<td>
			<p>3700</p>
			</td>
		</tr>
		<tr>
			<td>
			<p>20–30</p>
			</td>
			<td>
			<p>120 − 50 − 30 = 40</p>
			</td>
			<td>
			<p>40 × 10 = 400</p>
			</td>
			<td>
			<p>4100</p>
			</td>
		</tr>
		<tr>
			<td>
			<p>30–40</p>
			</td>
			<td>
			<p>110 − 50 − 30 = 30</p>
			</td>
			<td>
			<p>30 × 10 = 300</p>
			</td>
			<td>
			<p>4400</p>
			</td>
		</tr>
		<tr>
			<td>
			<p>40–50</p>
			</td>
			<td>
			<p>110 + 90 − 30 = 170</p>
			</td>
			<td>
			<p>170 × 10 = 1700</p>
			</td>
			<td>
			<p>6100</p>
			</td>
		</tr>
		<tr>
			<td>
			<p>50–60</p>
			</td>
			<td>
			<p>110 + 90 = 200</p>
			</td>
			<td>
			<p>200 × 10 = 2000</p>
			</td>
			<td>
			<p>8100</p>
			</td>
		</tr>
	</tbody>
</table>

<p>Water at 20 min = 1260 + (210 × 10) + (160 × 10) = 4960 L</p>

<p>Water at 30 min = 4960 + (120 + 90 − 50) × 10 = 6560 L</p>

<p>Water at 40 min = 6560 + (110 + 90 − 50 − 30) × 10 = 7760 L</p>

<p>Remaining water = 8100 − 7760 = 340 L</p>

<p>Time after 40 min = 340/(110 + 90 − 30) = 340/170 = 2 min</p>
<h2 id="content-id-8523019764-7"><b> Mixed Graph Questions Tips and Tricks</b></h2><img loading="lazy" src="https://study.kdcampus.live/questions-blog-pdf/Mixed_Graph_Questions_Tips_and_Tricks.png" alt="Mixed Graph Questions Tips and Tricks" height="260" width="480"><ol><li>Try to solve Mixed Graph Questions without taking any help from the solutions.</li><li>Mixed Graph 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. For the Current Affairs please <a href="https://study.kdcampus.live/daily-current-affairs" target="_blank">Click Here</a> and for the current affairs quiz please <a href="https://study.kdcampus.live/current-affairs-quiz" target="_blank">Click Here</a>.</p><h3><b> KD Live Free Offerings </b></h3><img loading="lazy" src="https://study.kdcampus.live/questions-blog-pdf/KD_Live_Free_Offerings.png" alt="KD Live Free Offerings" height="260" width="480"><p>KD Live is Offering Every Information and Study Material required for the self study. 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The correct answer is option 1 i.e. 42  - Mixed Graph Questions are asked in Ssc Chsl exams and your question has been explained by experts like Neetu Mam.

The cistern initially con - Mixed Graph Questions for Ssc Chsl

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