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Permutations an...

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  • Question 1
    4 / -1

    In how many ways can 10 true - false questions be replied

  • Question 2
    4 / -1

    How many even numbers of 3 different digits can be formed from the digits 1,2,3,4,5,6,7,8,9, (repetition is not allowed)

  • Question 3
    4 / -1

    The number of arrangements of the letters of the word BANANA in which two \'N\'s do not appear adjacently is

  • Question 4
    4 / -1

    Find the total number of 9 digit numbers which have all the digits different

  • Question 5
    4 / -1

    Four dice (six faced) are rolled. The number of possible outcomes in which at least one die shows 2 is

  • Question 6
    4 / -1

    In how many ways can 5 prizes be distributed among four students when every student can take one or more prizes

  • Question 7
    4 / -1

    In a train five seats are vacant, then how many ways can three passengers sit

  • Question 8
    4 / -1

    The product of any r consecutive natural numbers is always divisible by

  • Question 9
    4 / -1

    The sum of the digits in the unit place of all numbers formed with the help of 3,4,5,6 taken all at a time is

  • Question 10
    4 / -1

    Six identical coins are arranged in a row. The number of ways in which the number of tails is equal to the number of heads is

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