10
QuizMultiple Choice

Lesson 5: Identity Theft

Question 10 • T1 - 4 RMA-TX-Financial Math-B

Malaya creates a password as follows:letter, number, letter, special character, numberAssuming that there are 12 special characters, if you were trying to guess Malaya’s password, what is the most guesses that you would have to make?

Answer
A
702,000
B
811,200
C
205,476,480
D
254,803,968

Explanation

There are 26 choices for each letter, 10 choices for each number, and 12 choices for the special character. Multiply the choices for the five password positions: 26 × 10 × 26 × 12 × 10 = 811,200. In the worst case, you would need to try all 811,200 possibilities, so the answer is 811,200.

AI-written and checked against the verified answer.

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