Free GMAT Practice Question

Question 1 of 1
ID: GMAT-PSQ-028
Section: Quantitative Reasoning - Problem Solving
Topic: Combinatorics
Difficulty level: Medium

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How many 5-letter codes can be formed out of letters c, k, m, t, & u such that no code starts with 'muc _ _' ? Repetition of letters is allowed.

A$5^5 - 3^5$
B$5^5 + 2^5$
C$5^5 - 2^5$
D$5^5 - 5^2$
E$5^5 + 5^2$
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