Multiple Choice Questions on If each side of a square is increased by 25 find the percentage change in its area ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

If each side of a square is increased by 25 find the percentage change in its area ........

Quantitative Aptitude ( CCS) Mensuration 2D
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    If each side of a square is increased by 25%, find the percentage change in its area.

    56.25%

    Correct Answer

    23.45%

    Incorrect Answer

    15.54%

    Incorrect Answer

    67.12%

    Incorrect Answer
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    Explanation:

    To solve this question, we can apply the net% effect formula
    Net % effect = x + y + xy/100%
    Here, x = y = 25%
    Applying the net% effect, we get
    = 25 + 25 + 25 x 25 /100%
    = 50 + 6.25 = 56.25%
    Hence, the total percentage chage in area will be 56.25%.

    By: Amit Kumar
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