The population of a town was 1,60,000 three years ago, If it increased by 3%, 2.5% and 5% respectively in the last three years, then the present population in
A) 155679 B) 167890 C) 179890 D) 177366
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Population after 3% increase:
160000 × 3/100 + 160000 = 4800 + 160000
= 164800
Population after 2.5% increase:
164800 × 2.5/100 + 164800 = 4120 + 164800
= 168920
Population after 5% increase:
168920 × 5/100 + 168920 = 8446 + 168920
= 177366
Thus option (D) is right ✓
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