📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    Question

    Two letters are selected randomly without replacement

    from the word ‘PROBABILITY’. Find the probability that both selected letters are consonants.
    A 1/2 Correct Answer Incorrect Answer
    B 7/11 Correct Answer Incorrect Answer
    C 21/55 Correct Answer Incorrect Answer
    D 6/11 Correct Answer Incorrect Answer

    Solution

    Total letters = 11
    Consonants = 7
    Required probability = ( 7 C 2 ) / ( 11 C 2 ) = 21 / 55

    Practice Next
    ask-question