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Discussion :: Percentage

  1. The difference between a number and its two-fifth is 510. What is 10% of that number?
    2. A.
    12.75
    B.
    85
    C.
    204
    D.
    None of these

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    Answer : Option B

    Explanation :

    Let the number be x. Then,

    x - 2/5 x = 510

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