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<html><body><h2 id="content-id-1097354628-2"><b>Time And Work Questions Overview</b></h2><p>Time And Work 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 Time And Work Questions.</p><h2 id="content-id-1246057938-3"><b>Question On Time And Work </b></h2>A can complete a job in 10 days and B in 15 days. They started working together, but after 4 days, B fell sick and left. A continued and finished the remaining work. Later, it was found that A had also been working at only 80% efficiency throughout. How many total days did it take to complete the entire work?
<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 : 43 Seconds </h3></div></div><h2 id="content-id-4205371986-4"><b> Time And Work Questions Options</b></h2><ol><li><p><span class="math-tex">\(9{5 \over 6}\)</span></p>
</li><li><p><span class="math-tex">\(9{1 \over 6}\)</span></p>
</li><li><p><span class="math-tex">\(5{1 \over 6}\)</span></p>
</li><li><p><span class="math-tex">\(8{1 \over 5}\)</span></p>
</li></ol> <h2 id="content-id-4302961578-5"><b> Time And Work Questions Solution</b></h2><p>The correct answer is <strong>option 2</strong> i.e. <span class="math-tex">\(9{1 \over 6}\)</span>.</p>

<p>LCM(10, 15) = 30</p>

<p>The efficiency of A = 30/10 = 3 units</p>

<p>The efficiency of B = 30/15 = 2 units</p>

<p>Work done by both in 4 days = 4 × 5 = 20 units</p>

<p>A’s efficiency = 3 units/day</p>

<p>At 80% efficiency = 3 × 80% = 2.4 units/day</p>

<p>B’s efficiency = 2 units/day</p>

<p>Together for first 4 days = 2.4 + 2 = 4.4 units/day</p>

<p>Work done in 4 days = 4 × 4.4 = 17.6 units</p>

<p>Remaining work = 30 - 17.6 = 12.4 units</p>

<p>A alone finishes the remaining work:</p>

<p>Time = <span class="math-tex">\(12.4 \over 2.4\)</span> = <span class="math-tex">\(31 \over 6\)</span> days</p>

<p>Total time = 4 + <span class="math-tex">\(31 \over 6\)</span> = <span class="math-tex">\(55 \over6\)</span> days = <span class="math-tex">\(9{1 \over 6}\)</span> days</p>
<h2 id="content-id-8025419376-6"><b> Time And Work Questions Tips and Tricks</b></h2><img loading="lazy" src="https://study.kdcampus.live/questions-blog-pdf/Time_And_Work_Questions_Tips_and_Tricks.png" alt="Time And Work Questions Tips and Tricks" height="260" width="480"><ol><li>Try to solve Time And Work Questions without taking any help from the solutions.</li><li>Time And Work 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 2 i.e. (9 - Time And Work Questions are asked in Ssc Chsl exams and your question has been explained by experts like Neetu Mam.

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