12th Class Mathematics Sample Paper Mathematics Olympiad - Sample Paper-5

  • question_answer
    A husband and a wife appear in an interview for two vacancies for the same post.
    The probability of husband's selection is 1/7 and that of the wife's selection is 1/5.
    What is the probability that at least one of them will be selected?

    A)  \[\frac{12}{36}\]                      

    B)  \[\frac{11}{35}\]

    C)  \[\frac{16}{35}\]          

    D)  \[\frac{1}{5}\]

    Correct Answer: B


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