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Q: How many 5 digit numbers can be formed from the digits 012 if any of the digits can be repeated?

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5040 different 4 digit numbers can be formed with the digits 123456789. This is assuming that no digits are repeated with each combination.

24

1 set

It is 120 if the digits cannot be repeated.

There are 5*4*3 = 60 such numbers.

27 three digit numbers from the digits 3, 5, 7 including repetitions.

There are 5! = 120 such numbers.

3x3x3=27

27 if the digits can be repeated. 6 if not.

If the digits may not be repeated, there are 6x5x4x3x2x1 = 720 numbers, If digits can be repeated, the answer is 6x6x6x6x6x6 = 46,656 numbers If zero is ong the available digits but is excluded from the first place. 5x6x6x6x6x6=38,880 numbers

48 of them if digits may not be repeated. 100 if they can.

4*3*2*1 = 24

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