The population of a small city is 926100. If it increases at the rate of 5% per annum. What was the population 2 years ago?
1. 760000
2. 840000
3. 880000
4. 800000
1. 760000
2. 840000
3. 880000
4. 800000
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Correct Answer – Option 2 : 840000
Let the population of the city 2 years age be x
Then, According to question
x × (105/100) × (105/100) = 926100
⇒ x = 926100 × (20/21) × (20/21)
⇒ x = 2100 × 400 = 840000
∴ The population of the city 2 years ago was 840000