MHT CET 2025 Mathematics question
In a culture bacteria count is 1,00,000 initially. The number increases by 10% in first 2 hours. In how many hours will the count reach 2,00,000, if the rate of growth of bacteria is proportional to the number present?
Answer: (A)
Solution
Growth rate proportional to the number: , so with . After 2 hours the count is 10% more: . For : hours. This has the same
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