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

    Question

    In how many ways will a team of 5 people be selected

    among 12 people such that one specific person will always be selected, and one specific person will always remain?
    A 180 types Correct Answer Incorrect Answer
    B 252 types Correct Answer Incorrect Answer
    C 210 types Correct Answer Incorrect Answer
    D 330 types Correct Answer Incorrect Answer

    Solution

     If a specific person is always selected, then there will be no total selection left as per the question. If the person is never selected, then he will be removed from all numbers. Total persons = 12-2= 10 People to be selected = 10C4 =10 ! / (10-4)! ×4! =10 ! /6! ×4! =10×9×8×7×6!)/4! ×6! =10×9×8×7)/4×3×2 =10×3×7=210.

    Practice Next
    More Permutation and combination Questions

    Relevant for Exams:

    ask-question