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  3. 3rd Class
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3rd Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-8

  • question_answer
    Solve the following subtraction. \[\begin{matrix}    {} & 5 & 6 & 8 & 0 & 9  \\    - & 4 & 3 & x & 4 & 5  \\    {} & 1 & 3 & 2 & 6 & 4  \\    {} & - & 8 & 9 & y & 8  \\    {} & {} & 4 & 2 & 8 & 6  \\ \end{matrix}\]

    A) \[x=5,\,\,y=8\]              

    B) \[x=5,\,\,y=7\]

    C) \[x=4,\,\,y=7\]              

    D) \[x=6,\,\,y=7\]

    E) None of these

    Correct Answer: B

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