Question
How many arrangement are possible from word "DIRECTION" so that a consonant from the first half of english alphabet occupies only the first position and vowels only the last position? (ans 36)?
Answers
Steve
4 vowels, 5 consonants
D,C from first half of alphabet
How can D or C occupy <u>only</u> the first position? One of them has to be somewhere else in the permutation.
D,C from first half of alphabet
How can D or C occupy <u>only</u> the first position? One of them has to be somewhere else in the permutation.