A 3-character alpha-numeric code does have the following properties – the first character can be any number except 0 and - The Beat The GMAT Forum

A 3-character alpha-numeric code does have the following properties – the first character can be any number except 0 and

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Vincen: Legendary Member; Posts: 2898; Joined: Thu Sep 07, 2017 2:49 pmFollowed by: 5 members; Thanked: 6 times

by Vincen » Mon Nov 09, 2020 7:38 am

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A 3-character alpha-numeric code does have the following properties – the first character can be any number except 0 and 9, the second character can be any small letter between a to $z,$ excluded, and the third character can have any of those characters possible for the first two places. How many such codes can be formed?

A. 26
B. 64
C. 520
D. 6144
E. 9360

Answer: D

Source: e-GMAT

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Source: Beat The GMAT — Problem Solving | Mon Nov 09, 2020 7:38 am

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