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If an area has 25 square kilometres area and density 400 persons per square kilometre what will be the population?यदि किसी क्षेत्र का क्षेत्रफल 25 वर्ग किलोमीटर और घनत्व 400 व्यक्ति प्रति वर्ग किलोमीटर है तो जनसंख्या कितनी होगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 1000010000
(25 \times 400 = 10000) so the population will be 10000. Exam tip: multiply density by area to find population.(25 \times 400 = 10000) इसलिए जनसंख्या 10000 होगी। परीक्षा में जनसंख्या के लिए घनत्व को क्षेत्रफल से गुणा करें।
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