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Find the number of numbers less than 200...

Find the number of numbers less than 2000 that can be formed using the digits, 1,2,3,4 if repetition is allowed.

Text Solution

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The correct Answer is:
148
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Knowledge Check

  • I : The number of 3 digited numbers that can be formed using the digits 1,2,3,4,5 when repetitions are allowed is 125 . II THE number of 3 letter words using the letters of the word MISTER in which atleast 1 letter is repeated is 196.

    A
    Only 1 is ture
    B
    only II is true
    C
    Both I and II are true
    D
    neither a nor II true

  • The number of four digited numbers that can be formed using the digits 2,4,5,7,8 when repetition is not allowed

    A
    72
    B
    36
    C
    24
    D
    120

  • The number of 6 digited numbers less than 4,00,000 can be formed by using the digits 1,2,3,3,3,4, is

    A
    180
    B
    100
    C
    50
    D
    200

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    Find the number of 4 digit numbers divisible by 5 that can be formed using the digits 1, 2, 3, 4, 5 when repetition of digits is allowed.

    The sum of all 4-digit numbers that can be formed using the digits 2,3,4,5,6 without repetition is

    The number of 4 digited even number that can be formed using the digits 0,2,5,7,8 when reptition is allowed is

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