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    Question

    A number is first increased by 60%, then increased by 20%

    and then decreased by 40%. If the resultant number is 403.2, then find the original number.
    A 265 Correct Answer Incorrect Answer
    B 350 Correct Answer Incorrect Answer
    C 325 Correct Answer Incorrect Answer
    D 445 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the original number be '100x'.

    ATQ;

    100x × 1.6 × 1.2 × 0.6 = 403.2

    Or, 115.2x = 403.2

    So, x = 3.5

    So, original number = 3.5 × 100 = 350

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