How many times does the letter 'A' appear in the series: A, B, A, C, A, D, E?

B. 3

What is the 7th letter of the English alphabet?

A. G

In the series A, B, C, D, E, F, G, how many letters are vowels?

B. 3

What is the 5th letter in the English alphabet?

B. E

In the series A, B, C, D, E, F, G, how many letters are vowels?

B. 3