Multiple choice

A letter is taken randomly from the English alphabet. What is the probability that the letter selected is not a vowel?

  1. 5/25

  2. 2/25

  3. 9/25

  4. 21/26

  5. 5/26
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D Correct answer
Explanation

There are 26 letters in the English alphabet. There are 5 vowels (a, e, i, o, u). Therefore, there are 26 - 5 = 21 consonants. The probability of selecting a non-vowel is 21/26.

AI explanation

Using the classical definition of probability, the total number of possible outcomes is the 26 letters of the English alphabet. Since there are 5 vowels, the number of outcomes where the selected letter is not a vowel is 26 minus 5, which equals 21. Therefore, the probability of selecting a letter that is not a vowel is 21 divided by 26.

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