One letter is chosen at random from the letters of the word “EXAMINATION”. Find the probability that the letter chosen is a vowel.

Q.19 One letter is chosen at random from the letters of the word “EXAMINATION”. Find the probability that the letter chosen is a vowel.

Doubtly Asked 29 Oct 2026 Practice test ssc 10th Save WhatsApp Report

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Answer: \(P(A) = \dfrac{6}{11}\)

The word EXAMINATION has 11 letters: E, X, A, M, I, N, A, T, I, O, N, so n(S) = 11.

Vowels: E, A, I, A, I, O, so n(A) = 6 (repeated letters are counted each time they appear).

\(P(A) = \dfrac{6}{11}\)

Doubtly AI · 29 Oct 2026 AI-verified · Nov 2026 Report

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