Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?
A
210
B
1050
C
21400
D
25200
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
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
Source: Myschool Past Questions Archive (Record #47583)