The total number of words formed by 2 vowels and 3 consonants taken from 4…
2018
The total number of words formed by 2 vowels and 3 consonants taken from 4 vowels and 5 consonants is:
- A.
60
- B.
120
- C.
7200
- D.
None of the above
Attempted by 9 students.
Show answer & explanation
Correct answer: C
Choose 2 vowels from 4 and 3 consonants from 5, then arrange the 5 selected letters. Total words = C(4,2) x C(5,3) x 5! = 6 x 10 x 120 = 7200.