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<html><body><h2 id="content-id-3271496805-2"><b>Time And Work Questions Overview</b></h2><p>Time And Work Questions have a good weightage in the Sbi Po Exam and the type of question asked in Sbi Po 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-9243867015-3"><b>Question On Time And Work </b></h2>A project is completed by 12 specialists in y days, or 15 analysts in (y + 6) days. Their efficiency ratio is 5 : 3. The project starts with 8 specialists and 10 analysts. After 6 days, (y − 4) more specialists join them. The remaining work is completed in some days. If the entire project takes a total of D days, find the value of 7D × y.
<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-2369407815-4"><b> Time And Work Questions Options</b></h2><ol><li><p>1280</p>
</li><li><p>1350</p>
</li><li><p>1220</p>
</li><li><p>1320</p>
</li><li><p>1380</p>
</li></ol> <h2 id="content-id-7096428513-5"><b> Time And Work Questions Solution</b></h2><p>The correct answer is <strong>option 2</strong> i.e. <strong>1350</strong></p>

<p>12 × 5 × y = 15 × 3 × (y + 6)</p>

<p>60y = 45(y + 6)</p>

<p>y = 18</p>

<p>Total work = 12 × 5 × 18 = 1080 units</p>

<p>Work done in 6 days = (8 × 5 + 10 × 3) × 6 = 70 × 6 = 420 units</p>

<p>Remaining work = 1080 − 420 = 660 units</p>

<p>Additional specialists = y − 4 = 14</p>

<p>New efficiency = (22 × 5 + 10 × 3) = 140 units/day</p>

<p>Remaining time = 660/140 = 33/7 days</p>

<p>D = 6 + 33/7 = 75/7 days</p>

<p>7D × y = 75 × 18 = 1350</p>
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The correct answer is option 2 i.e. 1350 - Time And Work Questions are asked in Sbi Po exams and your question has been explained by experts like Neetu Mam.

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