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<html><body><h2 id="content-id-1249567308-2"><b>Coordinate Geometry Questions Overview</b></h2><p>Coordinate Geometry Questions have a good weightage in the Ssc Cgl Exam and the type of question asked in Ssc Cgl 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 Coordinate Geometry Questions.</p><h2 id="content-id-0436275198-3"><b>Question On Coordinate Geometry </b></h2>A 15 m deep well with radius 2.8 m is dug and the earth taken out from it is spread evenly to form a platform of breadth 8 cm and height 1.5 m. What will be the length of the platform?
<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 : Moderate </h3></div><div class="col-sm-6 show--dificulty--bar" style="display:inline-flex;"><h3 style="font-size:12px !important;"> Average Time : 37 Seconds </h3></div></div><h2 id="content-id-3914258670-4"><b> Coordinate Geometry Questions Options</b></h2><ol><li><p><span style="font-size:14px">28.4</span></p>
</li><li><p><span style="font-size:14px">28.8</span></p>
</li><li><p><span style="font-size:14px">30.8</span></p>
</li><li><p><span style="font-size:14px">30.2</span></p>
</li></ol> <h2 id="content-id-2143968570-5"><b> Coordinate Geometry Questions Solution</b></h2><p><span style="font-size:14px">The correct answer is option <strong>3</strong> i.e. <strong>30.8 m</strong>.</span></p>

<p><span style="font-size:14px">Volume of earth  is equal to the volume of the well so</span></p>

<p><span style="font-size:14px">r = 2.8   h = 15m</span></p>

<p><span style="font-size:14px">Volume of earth = <span style="font-family:Calibri,sans-serif">π r² h =  22/7 × 2.8² × 15  = 369.6 cm³</span></span></p>

<p><span style="font-size:14px"><span style="font-family:Calibri,sans-serif">Volume of earth = Volume of platform</span></span></p>

<p><span style="font-size:14px">so,</span></p>

<p><span style="font-size:14px">platform volume = length <span style="font-family:Calibri,sans-serif">× </span> breadth <span style="font-family:Calibri,sans-serif">× </span> height</span></p>

<p><span style="font-size:14px">369.6 = 8 <span style="font-family:Calibri,sans-serif">× </span> 1.5 <span style="font-family:Calibri,sans-serif">× </span> length</span></p>

<p><span style="font-size:14px">length = 369.6/12</span></p>

<p><span style="font-size:14px">length = 30.8 m</span></p>
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The correct answer is option 3 i.e. 30.8 - Coordinate Geometry Questions are asked in Ssc Cgl exams and your question has been explained by experts like Neetu Mam.

 Coordinate Geometry Questions Tips and Tricks

A 15 m deep well with rad - Coordinate Geometry Questions for Ssc Cgl

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