The population of a city in the year 2020 was 2,00,000. The rate of growth of population is 8% per annum. Find the population
of that city in the year 2022.
This questions was previously asked in
SSC MTS 5th July 2022 Shift-1
2,29,484
Incorrect Answer2,21,785
Incorrect Answer2,12,890
Incorrect AnswerExplanation:
- Calculate the population growth over two years with an 8% growth rate.
- Use the compound interest formula for population:
\( \text{Population after } n \text{ years} = P \times (1 + r)^n \).
Here, \( P = 200,000 \), \( r = 0.08 \), \( n = 2 \).
- First, find the population after the first year:
\( 200,000 \times 1.08 = 216,000 \).
- Next, find the population after the second year:
\( 216,000 \times 1.08 = 233,280 \).
- Therefore, the correct option is Option 2: 2,33,280.
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