10th Class Mathematics Solved Paper - Mathematics-2015 Delhi Term-II Set-I

  • question_answer
    A letter of English alphabet is chosen at random. Determine the probability that the chosen letter is a consonant.

    Answer:

    Total number of all possible outcomes \[=26\]
    Number of consonants \[=21\]
    Let E be the event of getting a consonant
    \[\therefore \,\,\,P\text{ (getting a consonant})=P\left( E \right)=\frac{21}{26}\]


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