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<html><body><h2 id="content-id-5176342809-2"><b>Problem On Trains Questions Overview</b></h2><p>Problem On Trains Questions have a good weightage in the Selection Post Grad English Exam and the type of question asked in Selection Post Grad 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 Problem On Trains Questions.</p><h2 id="content-id-8324095617-3"><b>Question On Problem On Trains </b></h2>A train crosses a 180-meter-long platform in 20 seconds and a man standing on the platform in 12 seconds. What is the length of the train?
<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 : 35 Seconds </h3></div></div><h2 id="content-id-3657928401-4"><b> Problem On Trains Questions Options</b></h2><ol><li><p>270 m</p>
</li><li><p>180 m</p>
</li><li><p>150 m</p>
</li><li><p>250 m</p>
</li></ol> <h2 id="content-id-2083619574-5"><b> Problem On Trains Questions Solution</b></h2><p>The correct answer is <strong>option 1 </strong>i.e. <strong>270 m.</strong></p>

<p>Let length of train = L, speed of train = v</p>

<p>Crosses man: L/v = 12 ⇒ L = 12v</p>

<p>Crosses platform: (L + 180)/v = 20 ⇒ L + 180 = 20v</p>

<p>⇒ 12v + 180 = 20v</p>

<p>⇒ 8v = 180</p>

<p>⇒ v = 22.5 m/s</p>

<p>L = 12 × 22.5 = 270 m</p>
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The correct answer is option 1 i.e. 27 - Problem On Trains Questions are asked in Selection Post Grad English exams and your question has been explained by experts like Neetu Mam.

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A train crosses a 180-met - Problem On Trains Questions for Selection Post Grad English

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