2. Questions Bank
  3. 11th Class
  4. Mental Ability
  5. Permutations and Combinations

11th Class Mental Ability Permutations and Combinations Question Bank Question - Permutation and 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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