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8th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-17

  • question_answer
    If \[x-y=3\] and \[{{x}^{2}}+{{y}^{2}}=29,\] then the value of \[xy\] is.

    A)  5                                

    B)  10

    C)  15                               

    D)  20

    E)  None of these

    Correct Answer: B

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