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66.7 percent MCQ Questions for Class 12

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Question 1/3 Expert Geography The World Population – Distribution, Density and Growth Population Density Class 12 Level 21

यदि resident density 1200 और daytime density 1800 व्यक्ति प्रति वर्ग किलोमीटर है, तो resident density daytime density की कितने प्रतिशत है?

If resident density is 1200 and daytime density is 1800 persons per square kilometre, what percentage of daytime density is resident density?

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Correct Answer

B. 66.7 प्रतिशत66.7 percent

Explanation

Simple Explanation

Required percentage \(\frac{1200}{1800}\times100=66.666...\%\) है। इसलिए resident density daytime density की लगभग 66.7 percent है और दूसरा विकल्प सही है। यह percentage-of comparison है, percentage difference नहीं। यदि पूछा जाता daytime density resident से कितने percent अधिक है, answer 50 percent होता। / The required percentage is \(\frac{1200}{1800}\times100=66.666...\%\). Therefore, resident density is about 66.7 percent of daytime density and the second option is correct. This is a percentage-of comparison, not a percentage-difference question. If asked how much higher daytime density is than resident density, the answer would be 50 percent.

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Question 2/3 Expert Geography The World Population – Distribution, Density and Growth Population Density Class 12 Level 21

यदि किसी region की density 360 और दूसरे की 540 व्यक्ति प्रति वर्ग किलोमीटर है, तो lower density higher density की कितने प्रतिशत है?

If one region has density 360 and another has 540 persons per square kilometre, what percentage of the higher density is the lower density?

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Correct Answer

B. 66.7 प्रतिशत66.7 percent

Explanation

Simple Explanation

Required percentage \(\frac{360}{540}\times100=66.666...\%\) है। इसलिए लगभग 66.7 percent और दूसरा विकल्प सही है। यह percentage difference नहीं बल्कि one value as a percentage of another पूछता है। यदि पूछा जाता कि 540, 360 से कितने percent अधिक है, answer 50 percent होता। / The required percentage is \(\frac{360}{540}\times100=66.666...\%\), or about 66.7 percent. Therefore, the second option is correct. This asks for one value as a percentage of another, not percentage difference. If the question asked how much greater 540 is than 360, the answer would instead be 50 percent.

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Question 3/3 Hard Geography The World Population – Distribution, Density and Growth Population Density Class 12 Level 20

यदि population unchanged रहे और area 40 प्रतिशत घट जाए, तो density लगभग कितने प्रतिशत बढ़ेगी?

If population remains unchanged and area decreases by 40 percent, by approximately what percentage will density increase?

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Correct Answer

C. 66.7 प्रतिशत66.7 percent

Explanation

Simple Explanation

Area 40 percent घटने पर new area \(0.6A\) होगा। Density \(P/(0.6A)=1.6667(P/A)\) हो जाती है। इसलिए increase लगभग 66.7 percent है और तीसरा विकल्प सही है। 40 percent increase मानना inverse relation को direct relation की तरह treat करना होगा। / A 40 percent decrease in area leaves \(0.6A\). Density becomes \(P/(0.6A)=1.6667(P/A)\). Therefore, density increases by about 66.7 percent and the third option is correct. Assuming a 40 percent increase would incorrectly treat an inverse relationship as a direct one.

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66.7 percent MCQ Questions for Class 12

Practice Questions

यदि resident density 1200 और daytime density 1800 व्यक्ति प्रति वर्ग किलोमीटर है, तो resident density daytime density की कितने प्रतिशत है?

Simple Explanation

यदि किसी region की density 360 और दूसरे की 540 व्यक्ति प्रति वर्ग किलोमीटर है, तो lower density higher density की कितने प्रतिशत है?

Simple Explanation

यदि population unchanged रहे और area 40 प्रतिशत घट जाए, तो density लगभग कितने प्रतिशत बढ़ेगी?

Simple Explanation

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66.7 percent MCQ Questions for Class 12

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यदि resident density 1200 और daytime density 1800 व्यक्ति प्रति वर्ग किलोमीटर है, तो resident density daytime density की कितने प्रतिशत है?

Simple Explanation

यदि किसी region की density 360 और दूसरे की 540 व्यक्ति प्रति वर्ग किलोमीटर है, तो lower density higher density की कितने प्रतिशत है?

Simple Explanation

यदि population unchanged रहे और area 40 प्रतिशत घट जाए, तो density लगभग कितने प्रतिशत बढ़ेगी?

Simple Explanation

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