Q33 of 66 Page 15

A letter of English alphabet is chosen at random. Determine the probability that the chosen letter is a consonant.[CBSE 2015]

Let E be the event of choosing an alphabet

Total numbers of alphabets are 26


Then, the favourable outcomes are: B, C, D, F, G, H, J, K, L, M, N, P, Q, R, S, T, V, W, X, Y, Z


The number of outcomes are =21


∴ P (choosing a consonant) =P (E) = 21/26

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