Question

Out of 7 consonants and 4 vowels how many words can be made each contining 3 consonats and 2 vowels

Answer 1

Answer:

Step-by-step explanation:

3 consonants out of 7 consonants  can be selected in 7c3 ways and 2 vowels out of 4 can be selected in 4c2 ways. Now we got our required letters we have to arrange them which can be done in 5! ways(as there are 5 letters)

Finally the answer will be 4c2*7c3*5! =6*35*120 =25200