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The number of 3 digit numbers formed by ...

The number of 3 digit numbers formed by using digits 3, 5, 9, taking each digit exactly once, is 3        (b)    4          (c)  5       (c)  6

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Knowledge Check

  • The number of 3 digit even numbers that can be formed by using the digits 1 2 3 4 and 5 is given by

    A
    50
    B
    52
    C
    48
    D
    none of these
  • Smallest 6-digit number formed by using digits 5, 0, 3, 2, 6, 1 each only once is ______ .

    A
    `032615`
    B
    `102356`
    C
    `102365`
    D
    `012356`
  • The number of 3- digit numbers containing the digit 7 exactly once :

    A
    225
    B
    220
    C
    200
    D
    180
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    The largest 4-digit number formed by the digits 6, 7, 0, 9 using each digit only once is 9760.

    How many 6-digit numbers can be formed by using the digits 4, 5, 0, 3, 4, 5?

    How many 5-digit numbers can be formed by using the digits 5, 4, 3, 3, 0 ?

    Write all 3-digit numbers using 2, 3, 4 taking each digit only once.

    The number of 3 digit odd numbers divisible by 3, using the digits 3,4,5,6 when repetition is allowed,is