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The number of four-digit numbers that ca...

The number of four-digit numbers that can be made with the digits 1, 2, 3, 4, and 5 in which at least two digits are identical is a. `4^5-5!` b. `505` c. `600` d. none of these

A

`4^(5)-5!`

B

`505`

C

600

D

120

Text Solution

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The correct Answer is:
B
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