The population of Mumbai increase $5 %$ per annum, its population was $1000000$ in $2004$ . What was it's population after $3$ year?

1157625

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123575

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132557

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11000

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Solution

The correct option is B $1157625$
Population after $3$ years $= P {(1 + \frac{r}{100})}^{n}$

$= 1000000 {(1 + \frac{5}{100})}^{3}$

$= 1000000 {(1 + \frac{1}{20})}^{3}$

$= 1000000 {(\frac{21}{20})}^{3}$

$= 1000000 \times \frac{9261}{8000}$
$= 1157625$

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The population of Mumbai increase 5% per annum, its population was 1000000 in 2004. What was it's population after 3 year?

The correct option is B 1157625Population after 3 years =P(1+r100)n=1000000(1+5100)3=1000000(1+120)3=1000000(2120)3=1000000×92618000=1157625

The population of Mumbai increase $5 %$ per annum, its population was $1000000$ in $2004$ . What was it's population after $3$ year?

The correct option is B $1157625$
Population after $3$ years $= P {(1 + \frac{r}{100})}^{n}$

$= 1000000 {(1 + \frac{5}{100})}^{3}$

$= 1000000 {(1 + \frac{1}{20})}^{3}$

$= 1000000 {(\frac{21}{20})}^{3}$

$= 1000000 \times \frac{9261}{8000}$
$= 1157625$