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Number of three digit numbers such that ...

Number of three digit numbers such that atleast one of the digits is 9 , if repetitions allowed is

A

252

B

648

C

864

D

468

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The number of five digit numbers having atleast one of their digits repeated is :

    A
    900
    B
    1000
    C
    62784
    D
    none of these

  • The number of five digit numbers having atleast one of their digits repeated is :

    A
    900
    B
    1000
    C
    62784
    D
    none of these

  • find the number of three digit numbers ( repetitions allowed ) such that atleast one of the digits is 9 .

    A
    a. 252
    B
    b. 648
    C
    c. 468
    D
    d. 864

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