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1st Class Mathematics Sample Paper Maths Olympiad Model Test Paper-2

  • question_answer
    What comes at the place of (?) if, \['\nabla '\]means \['+'\] and \['\nabla '\]means \['-'\]? \[5\,\nabla \,10=20\,\nabla \underline{\,\,?\,\,}\]

    A)  12

    B)  3

    C)  8

    D)  10

    E)  None of these

    Correct Answer: E

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