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    Question

    A number is increased by 25% and then decreased by 20%.

    If the final result is 300, find the original number.
    A 320 Correct Answer Incorrect Answer
    B 445 Correct Answer Incorrect Answer
    C 300 Correct Answer Incorrect Answer
    D 295 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let original number = x After 25% increase = 1.25x Then 20% decrease = 0.8 × 1.25x = x So final value = original value Given final value = 300 Hence, original number = 300.

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