Question

Total number of words formed by $2$ vowels and $3$ consonants taken from $4$ vowels and $5$ consonants is equal to

• A. $60$
• B. $120$
• C. $7200$
• D. $720$

Answer 1

Answer: (C)

$7200$

Answer 2

Given $4$ vowels and $5$ consonants $\therefore$ Total number of words $=\,^ {4}C_{2} \times\, {5}C_{3} \times \, 5!$ $= 7200$