Question

How many different four-letter strings can be formed from the letters A, B, C, D, E (repeats allowed) if the first letter must be a consonant and the last letter must be a vowel?

Answer 1

21 consonants and 5 vowels...

Answer 2

But only from the letters A,B,C,D, and E?

Answer 3

How many consonants and vowels are there in A,B,C,D, and E?

Answer 4

2 vowels and 3 consonants..

Answer 5

So for the first letter you have 3 choices and for the last letter you have 2 choices and for thetwo in between you have 5 choices

Answer 6

2*5*5*3

Answer 7

thx sir :)

Answer 8

Yup :)