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    Question

    A town had 30,000 people in 2010. In 2011, the population

    rose by 25%, dropped by 20% in 2012, and rose again by 10% in 2013. Find the population at the end of 2013.
    A 18050 Correct Answer Incorrect Answer
    B 28450 Correct Answer Incorrect Answer
    C 22050 Correct Answer Incorrect Answer
    D 33000 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Population in 2011 = 1.25 × 30000 = 37500

    Population in 2012 = 0.80 × 37500 = 30000

    Population in 2013 = 1.10 × 30000 = 33000

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