यदि density 25 प्रतिशत घटे और population unchanged रहे, तो area कितने प्रतिशत बढ़ेगा?
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C. 33.3 प्रतिशत33.3 percent
Simple Explanation
Density 25 percent घटकर \(0.75D\) हो जाती है। Population constant होने पर \(A_{new}=P/(0.75D)=1.333...A\)। इसलिए area लगभग 33.3 percent बढ़ा। तीसरा विकल्प सही है। Inverse percentage relationships symmetric नहीं होते, इसलिए 25 percent density decline का अर्थ 25 percent area increase नहीं है। / A 25 percent density decrease gives \(0.75D\). With population constant, \(A_{new}=P/(0.75D)=1.333...A\). Therefore, area increases by about 33.3 percent. The third option is correct. Inverse percentage relationships are not symmetric, so a 25 percent density decline does not mean a 25 percent area increase.
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