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    Question

    If the square root of 1024 is added to 30% of a number

    we get 4 less than 2/5th of the number. What is 3/8th of the number?
    A 144 Correct Answer Incorrect Answer
    B 108 Correct Answer Incorrect Answer
    C 135 Correct Answer Incorrect Answer
    D 120 Correct Answer Incorrect Answer

    Solution

    Let the number be N.

    According to the question,

    √1024 + 0.3N = 2N/5 - 4

    => 32 + 0.3N = 0.4N - 4

    => 0.1N = 36

    => N = 360

    3/8 x 360 = 135

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