In the sequence 1, 3, 5, 7, 9, 11, how many times does the number 4 occur?

B. 0

In the sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, how many times does the number 5 occur?

A. 1

E is ranked 3rd from the top and 7th from the bottom in a group. How many people are in the group?

B. 10

In the sequence 5, 10, 15, 20, 25, 30, how many times does the number 15 occur?

A. 1

In the sequence 5, 10, 15, 20, 25, 30, how many times does the number 15 occur?

A. 1