Computer Science Fundamentals Algorithms Objective
Mar 01, 2013

Let Σ = {a, b, c, d, e}. The number of strings in Σ* of length 4 such that no symbol is used more than once in a string is

Choose the correct answer:
A) 360
B) 120
C) 35
D) 36
Detailed Explanation

Option b is right answer.

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