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<html><body><h2 id="content-id-2081639457-2"><b>Mensuration 3D Questions Overview</b></h2><p>Mensuration 3D 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 Mensuration 3D Questions.</p><h2 id="content-id-9013542876-3"><b>Question On Mensuration 3D </b></h2>A hollow sphere with external and internal diameters as 24 cm and 16 cm, respectively, is melted into a cylinder with a base diameter of 32 cm. The height of the cylinder is closest to:
<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 : 35 Seconds </h3></div></div><h2 id="content-id-6310728945-4"><b> Mensuration 3D Questions Options</b></h2><ol><li><p>7.33 cm</p>
</li><li><p>5.56 cm</p>
</li><li><p>5.16 cm</p>
</li><li><p>6.33 cm</p>
</li></ol> <h2 id="content-id-9187625043-5"><b> Mensuration 3D Questions Solution</b></h2><p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">Correct Answer is <strong>Option 4</strong> i.e. <strong>6.33 cm </strong></span></span></span></p>

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			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">Understanding</span></span></span></p>
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			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">Application</span></span></span></p>
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			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">External radius = 24/2 = 12 cm </span></span></span></p>

			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">And </span></span></span></p>

			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">Internal radius = 16/2 = 8 cm</span></span></span></p>
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			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">Volume of hollow cylinder</span></span></span></p>

			

			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">⇒</span><span style="font-size:12.0pt"> 4/3 × </span><span style="font-size:12.0pt">π(r<sub>1</sub><sup>3</sup> – r<sub>2</sub><sup>3</sup>)</span></span></span></p>

			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">⇒</span><span style="font-size:12.0pt"> 4/3 × </span><span style="font-size:12.0pt">π(12<sup>3</sup> – 8<sup>3</sup>)</span></span></span></p>

			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">⇒</span><span style="font-size:12.0pt"> 4/3 × </span><span style="font-size:12.0pt">π</span> <span style="font-size:12.0pt">× 1216</span></span></span></p>

			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">⇒</span><span style="font-size:12.0pt"> 4864</span><span style="font-size:12.0pt">π/3</span></span></span></p>
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			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">It is melted into a cylinder with a base diameter of 32 cm (radius = 16 cm)</span></span></span></p>
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			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">Volume of the cylinder</span></span></span></p>

			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">π </span><span style="font-size:12.0pt">× 16<sup>2</sup> × h =</span> <span style="font-size:12.0pt">4864</span><span style="font-size:12.0pt">π/3 </span></span></span></p>

			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">⇒</span><span style="font-size:12.0pt"> h = 19/3 = 6.33</span></span></span></p>

			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">So,</span></span></span></p>

			<p>Height of the cylinde<span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"> </span></span></span></p>

			<p><span style="font-size:11pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt">= 6.33 cm</span></span></span></p>
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Correct Answer is Option 4 i.e. 6.33 cm  - Mensuration 3D Questions are asked in Ssc Cgl exams and your question has been explained by experts like Neetu Mam.

 Mensuration 3D Questions Tips and Tricks

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