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If an area has density 750 persons per square kilometre and area 20 square kilometres what will be the population?यदि किसी क्षेत्र का घनत्व 750 व्यक्ति प्रति वर्ग किलोमीटर और क्षेत्रफल 20 वर्ग किलोमीटर है तो जनसंख्या कितनी होगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 1500015000
(750 \times 20 = 15000) so the population will be 15000. Exam tip: multiply density by area to find population.(750 \times 20 = 15000) इसलिए जनसंख्या 15000 होगी। परीक्षा में घनत्व से जनसंख्या निकालने के लिए क्षेत्रफल से गुणा करें।
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