In the sequence 1, 2, 3, 4, 5, 6, 7, 8, how many odd numbers are there?

A. 4

B is ranked 5th from the bottom in a group of 25 people. What is B's rank from the top?

A. 20TH

If G is 2nd from the top and H is 3rd from the bottom in a group of 10 people, what is H's rank from the top?

B. 7TH

In the sequence 3, 6, 9, 12, 15, 18, how many times does the number 6 occur?

A. 1

In the sequence 5, 10, 15, 20, 25, how many numbers are less than 20?

B. 3