The number of words of 4 consonants and 3 vowels can be made from 15 consonants and 5 vowels, if all the letters are dif
Posted: Thu Jul 14, 2022 9:01 am
a) 3! * 12C5
b) 16C4 * 4C4
c) 15! * 4
d) 15C4 * 5C3 * 7!
b) 16C4 * 4C4
c) 15! * 4
d) 15C4 * 5C3 * 7!