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10th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-1

  • question_answer
    If \[\sum{{{f}_{i}}{{x}_{i}}=35,}\] \[\sum{{{f}_{i}}=4p-63}\] and mean = 7, then p is equal to:

    A)  12                               

    B)  13

    C)  14                               

    D)  17

    E)  None of these

    Correct Answer: D

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