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Village P has a population of 74000 which is decreasing at the rate of 1400 per year. Village Q has a population of 50000, which is increasing at the rate of 600 per year. In how many years will the population of wo villages be equal?

Village P has a population of 74000 which is decreasing at the rate of 1400 per year. Village Q has a population of 50000, which is increasing at the rate of 600 per year. In how many years will the population of wo villages be equal? Correct Answer 12

Let the population of villages P and Q be equal after x years. Then, 74000 – 1400p = 50000 + 600p ? p = 12. So, their population will be equal after 12 years.

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