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Permutations an...

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  • Question 1
    1 / -0

    The number of arrangements that can be formed by all the letters of the word “LAUGHTER “is

  • Question 2
    1 / -0

    The number of all even (positive) divisors of 36000 is

  • Question 3
    1 / -0

    The number of four digit numbers having atleast one digit as 7 is

  • Question 4
    1 / -0

    The number of all 4 digit  numbers which are all ifferent that can be formed by using the digits 0, 2, 3, 5, 8, 9, is

  • Question 5
    1 / -0

    The number of ways in which 5 “ + “ and 5 “ – “ signs can be arranged in a line such that no two “ – “ signs occur together is

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