ID Number

Probability Level 2

In a certain manufacturing company, ID numbers of employees consists of 1capital letter followed by a three-digit number. One example is M-019. How many such ID number can be formed with no repeated digits?

Note: The format is one capital letter followed by a three digit number.

3120 26000 It lacks information. 18720

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1 solution

Number of ID numbers = 26(10)(9)(8) = 18720

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