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    Question

    In a class of 5000 students in 2022, 60% were from science

    stream and rest from commerce. In 2023, science students increased by 33.33% and commerce students decreased by 20%. Find the percentage change in total number of students.
    A 12% Correct Answer Incorrect Answer
    B 15% Correct Answer Incorrect Answer
    C 17% Correct Answer Incorrect Answer
    D 11% Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,
    Science students in 2022 = 5000 × 0.60 = 3000

    Commerce students in 2022 = 5000 − 3000 = 2000

    Science in 2023 = 3000 × (4/3) = 4000

    Commerce in 2023 = 2000 × 0.8 = 1600

    Total students in 2023 = 4000 + 1600 = 5600

    Percentage change = ((5600 − 5000)/5000) × 100 = 12%

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