A city’s population grows by 10% in the first year, 20% in the second year, and 10% in the third year. If the population after 3 years is 8,71,200, then what was the original population 3 years ago?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 6,00,000.
Let population = x
According to the question,
⇒ x × × × = 871200 ×
⇒ x =
⇒ x = 600000