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The population of a town is 350000. It increases annually at the rate of 20%. What will be the population after 2 years?
- a)490000
- b)497000
- c)504000
- d)508000
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
The population of a town is 350000. It increases annually at the rate ...
If the current population of a town is P and it increases at a rate of R% per annum, then,
Population after n years = P × (1 + R/100)2
Given, P = 350000, R = 20%,
∴ Population after 2 years = 350000 × (1 + 20/100)2 = 350000 × 1.44 = 504000
Most Upvoted Answer
The population of a town is 350000. It increases annually at the rate ...
Given information:
The population of a town is 350,000.
The population increases annually at the rate of 20%.
We need to calculate the population after 2 years.
Calculation:
To find the population after 2 years, we need to calculate the annual increase and multiply it by the number of years.
Step 1: Calculate the annual increase:
The population increases at the rate of 20% annually. This means the population increases by 20% of its current population every year.
The annual increase can be calculated using the formula:
Annual Increase = (Rate of Increase / 100) * Current Population
In this case, the rate of increase is 20% and the current population is 350,000.
Annual Increase = (20 / 100) * 350,000
Annual Increase = 70,000
Step 2: Calculate the population after 2 years:
To calculate the population after 2 years, we need to multiply the annual increase by the number of years.
Population after 2 years = Current Population + (Annual Increase * Number of Years)
Population after 2 years = 350,000 + (70,000 * 2)
Population after 2 years = 350,000 + 140,000
Population after 2 years = 490,000
So, the correct answer is option (a) 490,000.
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The population of a town is 350000. It increases annually at the rate of 20%. What will be the population after 2 years?a)490000b)497000c)504000d)508000Correct answer is option 'C'. Can you explain this answer?
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