Question

a letter is chosen from the word TRIANGLE . what is the probability that it is a vowel

Answer 1

Answer. Number of letters in a word =11. Number of vowels in a word =4. ∴ Required probability = 4 11. Hence (B) is the correct answer.

Answer 2

total no.of vowels =5
vowels in word triangle=3
P(E)=possible outcomes/no .of total outcomes
=>3 /5