Multiple choice

If all the letters of the word “ACCENT” are arranged in random order, the probability that N is always next to A is

  1. 1/5

  2. 1/3

  3. 1/6

  4. 1/7

  5. 1/15
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Number of ways in which six letters can be arranged is 6!/2 = 720/2 = 360 ways. If N always comes next to A, they both can be treated as a single letter. In that case, the total arrangements will be, 5!. Therefore, the required probability is 5! / 360 = 1/3.

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