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<html><body><h2 id="content-id-0246589713-2"><b>Mensuration 2D Questions Overview</b></h2><p>Mensuration 2D 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 Mensuration 2D Questions.</p><h2 id="content-id-2480796315-3"><b>Question On Mensuration 2D </b></h2>A square-shaped piece of metal has a circular hole cut out exactly from its center, touching all four sides. What percentage of the metal sheet's area remains after the hole is cut? (Use π = 3.14)
<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 : 36 Seconds </h3></div></div><h2 id="content-id-1870634529-4"><b> Mensuration 2D Questions Options</b></h2><ol><li><p>21.5%</p>
</li><li><p>25%</p>
</li><li><p>75%</p>
</li><li><p>78.5%</p>
</li></ol> <h2 id="content-id-6703829541-5"><b> Mensuration 2D Questions Solution</b></h2><p>The correct answer is <strong>option 1</strong> i.e. <strong>21.5%.</strong></p>

<p><strong><img loading="lazy" alt="" src="https://hranker.com/admin/assets/uploads/ckeditor/Ratna_urjent%20daigram%204-6-2026_D62026_06_04_15_29_29.png" style="height:185px; width:187px"></strong></p>

<p>Let side of square = a</p>

<p>Area of square = a<sup>2</sup></p>

<p>Diameter of circle = a ⇒ Radius = a/2.</p>

<p>Area of circle = π × (a/2)<sup>2</sup> = π × a<sup>2</sup>/4</p>

<p>Remaining area = a<sup>2</sup> – (πa<sup>2</sup>/4) = a<sup>2</sup>(1 – π/4)</p>

<p>Percentage remaining = (1 – π/4) × 100 = (1 – 3.14/4) × 100</p>

<p>= (1 – 0.785) × 100</p>

<p>= 0.215 × 100</p>

<p>= 21.5%</p>
<h2 id="content-id-2971384506-6"><b> Mensuration 2D Questions Tips and Tricks</b></h2><img loading="lazy" src="https://study.kdcampus.live/questions-blog-pdf/Mensuration_2D_Questions_Tips_and_Tricks.png" alt="Mensuration 2D Questions Tips and Tricks" height="260" width="480"><ol><li>Try to solve Mensuration 2D Questions without taking any help from the solutions.</li><li>Mensuration 2D 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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24 98 of 640 12 11 - Approximation Questions for Ssc Chsl

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The correct answer is option 1 i.e. 21. - Mensuration 2D Questions are asked in Ssc Chsl exams and your question has been explained by experts like Neetu Mam.

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