New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    The population of a town is 180000. It decreases by 8%

    in the 1st year and increases by 5% in the 2nd year. What is the population of the town at the end of 2 years?
    A 193914 Correct Answer Incorrect Answer
    B 185472 Correct Answer Incorrect Answer
    C 173880 Correct Answer Incorrect Answer
    D 191394 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Initial Population = 180,000 1st Year: Decrease by 8% Population after 1st year=180000×(1−0.08)=180000×0.92=165600 2nd Year: Increase by 5% Population after 2nd year=165600×(1+0.05)=165600×1.05=173880

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