If Sarah is ranked 5th from the top and 10th from the bottom in a competition, how many competitors are there?

B. 15

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

B. 0

B is 5th from the top and C is 8th from the bottom in a group of 20 people. What is C's rank from the top?

C. 11TH

In a race of 15 participants, D is ranked 3rd from the top and E is ranked 4th from the bottom. If D and E swap their positions, what will be D's new rank from the bottom?

B. 11TH

In the sequence 100, 200, 300, 400, 500, how many times does the number 600 occur?

A. 0