Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?
-
210
- 1050
- 21400
- 25200
The correct answer is: A
Explanation
To form words having 3 consonants and 2 vowels out of 7 consonants and 4 vowels, the number of such words is 7/3C x 4/2C = 35 x 6
= 210
There is an explanation video available .