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    Question

    The population of a village is 30,000. It increases at

    the rate of 15% during the first year and decreases at the rate of 25% during the second year and decreases at the rate of 20% during third year. What is the population after the third year
    A 23230 Correct Answer Incorrect Answer
    B 20700 Correct Answer Incorrect Answer
    C 25150 Correct Answer Incorrect Answer
    D 24000 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    Population after the third year = 30,000*115/100*75/100*80/100 = 20700

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