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9th Class Mathematics Permutations and Combinations Question Bank Permutation & Combination

  • question_answer
    In a test paper there are total 10 questions. In how many different ways can you choose 6 questions to answer?

    A) 210    

    B)         540

    C) 336                     

    D)        340

    E) None of these

    Correct Answer: A

    Solution :

    Explanation Option [a] is correct, Out of 10 questions, 6 questions can be selected in \[^{10}{{C}_{6}}\] ways \[\therefore {{}^{10}}{{C}_{6}}=210\]               


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