Multiple choice

Total number of words formed by using 2 vowels and 3 consonents taken from 4 vowels and 5 consonent is equal to:

  1. $60$
  2. $120$
  3. $720$

  4. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
AI explanation

Using the combinations formula, select 2 vowels from 4 in 4C2 = 6 ways and 3 consonants from 5 in 5C3 = 10 ways. Arrange these 5 chosen letters in 5! = 120 ways. The total number of words is 6 * 10 * 120 = 7200. The result is None of these.

Keep practicing — related questions