Question

$A$ single letter is selected at random from the word "FAVOURABLE". The probability that it is a vowel, is

• A. $\frac{1}{5}$
• B. $\frac{2}{5}$
• C. $\frac{3}{5}$
• D. $\frac{1}{2}$

Answer 1

Answer: (B)

Number of vowels are $A$, $O$, $U$, $E$
$\therefore$ One can be chosen by ${}^4{C}_1$ ways
Total letters in the given word $=10$
$\therefore$ Required probability $=\frac{4}{10}=\frac{2}{5}$