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प्रश्न
The number of mice in a laboratory was 100 on a particular day. After one year their number increased to 120. Calculate the growth rate in the population.
संख्यात्मक
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उत्तर
Growth rate m population = `("Current population" - "previous population")/"Previous population" xx 100 %`
`= [(120 - 100)/100] xx 100%`
= 20%
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