MHT CET 2025 Mathematics question
The rate at which the population of a city increases varies as the population. In a period of 20 years, the population increased from 4 lakhs to 6 lakhs. In another 20 years the population will be
Answer: (C)
Solution
"Rate varies as the population" means , so . In 20 years goes from 4 to 6 lakhs, so . In the next 20 years the population is multiplied by the same factor again:
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