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JEE Main & Advanced Mathematics Permutations and Combinations Question Bank Definition of permutation, Number of permutations with or without repetition, Conditional permutations

  • question_answer
    There are 5 roads leading to a town from a village. The number of different ways in which a villager can go to the town and return back, is [MP PET 1996]

    A) 25

    B) 20

    C) 10

    D) \[5\]

    Correct Answer: A

    Solution :

    The man can go in 5 ways and he can return in 5 ways. Hence, total number of ways are \[5\times 5=25\].


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