8th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-12

  • 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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