Multiple Choice Questions on A number is first decreased by 25 The decreased number is then increased by 20 The resulting number ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A number is first decreased by 25 The decreased number is then increased by 20 The resulting number ...........

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    A number is first decreased by 25%. The decreased number is then increased by 20%. The resulting number is less than the original number by 40. Then the original number is –

    100

    Incorrect Answer

    200

    Incorrect Answer

    300

    Incorrect Answer

    400

    Correct Answer
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    Explanation:

    Let the number is a
    a – (75/100)*a*(120/100) = 40
    we will get a = 400
    Hence, option 4 is the correct answer.

    By: Amit Kumar
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