In a class of 30 students, John is ranked 12th from the top. What is his rank from the bottom?

B. 19TH

In the sequence 12, 15, 18, 21, 24, 27, how many times does the number 21 occur?

A. 1

In a class of 20 students, Tom is ranked 3rd from the bottom. How many students are ranked above him?

B. 17

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