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  5. Permutations and Combinations

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

  • question_answer
    In how many ways can 7 soldiers stand in a queue?

    A) 5040      

    B)         2880

    C) 280                     

    D)        285

    E) None of these

    Correct Answer: A

    Solution :

    Explanation Option [a] is correct. 7 soldiers can be stand in a queue in 7! ways \[\therefore 7!=5040\]           


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