Question
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Answer (Detailed Solution Below)
Option 4 : 22,000 / 22,000
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Detailed Solution
सही उत्तर 22,000 / 22,000 है।
Key Points
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Question:
The population of a town grows by $10\%$ every year. If its present population is $26,620$, what was the population $2$ years ago? / एक नगर की जनसंख्या प्रत्येक वर्ष $10\%$ बढ़ती है। यदि वर्तमान जनसंख्या $26,620$ है, तो $2$ वर्ष पहले जनसंख्या कितनी थी?
1.
20,000 / 20,000
2.
21,000 / 21,000
3.
24,000 / 24,000
4.
22,000 / 22,000
Correct Answer: 22,000 / 22,000
Population $2$ years ago = $26,620 \div (1.10)^2 = 26,620 \div 1.21 = 22,000$. / $2$ वर्ष पहले की जनसंख्या = $26,620 \div (1.10)^2 = 26,620 \div 1.21 = 22,000$।
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