NCERT Exemplar Solutions Class 10 Mathematics Solutions for Statistics and Probability - Exercise 13.3 in Chapter 13 - Statistics and Probability

Question 10 Statistics and Probability - Exercise 13.3

A letter of English alphabets is chosen at random. Determine the probability that the letter is a consonant.


In 26 English alphabets there are 5 vowels and 21 consonants.

So,number of favourable outcomes of getting a consonant i.e., F(E) = 21

Total alphabets = T(E) = 26

Probability (getting a consonant) = \frac{F\left(E\right)}{T\left(E\right)}=\frac{21}{26}

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