यदि population 60 प्रतिशत बढ़ती है जबकि density 28 प्रतिशत बढ़ती है, तो area multiplier लगभग कितना होगा?
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Correct Answer
C. 1.25
Simple Explanation
Area multiplier \(=\frac{Population\ multiplier}{Density\ multiplier} = \frac{1.60}{1.28} = 1.25\)। इसलिए area 1.25 times अर्थात 25 percent बढ़ा और तीसरा विकल्प सही है। यदि area unchanged होता तो density भी 60 percent बढ़ती। परीक्षा में \(A=P/D\) relation proportional-change questions में बहुत उपयोगी है। / Area multiplier equals population multiplier divided by density multiplier: \(\frac{1.60}{1.28}=1.25\). Therefore, area became 1.25 times its original size, or increased by 25 percent, making the third option correct. If area had remained unchanged, density would also have increased by 60 percent. The relation \(A=P/D\) is very useful in proportional-change questions.
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