The population of a town is 9000. If the males increase by 5% and females by 8%, the population would be 9600 in a year. The number of males is :
एक कस्बे की जनसंख्या 9000 है, यदि पुरुषों की जनसंख्या वृद्धि दर 5% और महिलाओं की वृद्धि दर 8% हो एवं एक वर्ष में जनसंख्या 9600 हो, तो पुरुषों की संख्या है :
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Correct answer: B. 4000
Explanation
0.05m + 0.08(9000 − m) = 600 → 720 − 0.03m = 600 → m = 4000.
0.05m + 0.08(9000 − m) = 600 → 720 − 0.03m = 600 → m = 4000।
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