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<html><body><h2 id="content-id-9560132847-2"><b>Number System Questions Overview</b></h2><p>Number System Questions have a good weightage in the Selection Post 12th English Exam and the type of question asked in Selection Post 12th 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 Number System Questions.</p><h2 id="content-id-9753128460-3"><b>Question On Number System </b></h2>If the sum of a number and its reciprocal is 15. What is the sum of the square of the number and the square of its reciprocal?
<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-3756092418-4"><b> Number System Questions Options</b></h2><ol><li><p>111 × 2 + 1</p>
</li><li><p>111 × 2 + 2</p>
</li><li><p>111 × 2 + 3</p>
</li><li><p>111 × 2 + 4</p>
</li></ol> <h2 id="content-id-7598234601-5"><b> Number System Questions Solution</b></h2><p>The correct answer is<strong> option 1 </strong>i.e.<strong> 111 × 2 + 1.</strong><strong> </strong></p>

<p>Let the number be x</p>

<p>x + <span class="math-tex">\(1\over x\)</span> = 15</p>

<p>Squaring both sides:</p>

<p>⇒ x<sup>2</sup> + <span class="math-tex">\(1\over x^2\)</span> + 2 = 15<sup>2</sup></p>

<p>⇒ x<sup>2</sup> + <span class="math-tex">\(1\over x^2\)</span> = 225 − 2 = 223 = (111 × 2 + 1)</p>
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100 107 126 165 224 - Wrong Number Series Questions for Bank Po

15 17 20 26 32 43 - Wrong Number Series Questions for Bank Po

The correct answer is option 1 i.e. 11 - Number System Questions are asked in Selection Post 12th English exams and your question has been explained by experts like Neetu Mam.

If the sum of a number an - Number System Questions for Selection Post 12th English

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