In Order to Qualify for the Game Show Jeopardy, Each

Multiple Choice

In order to qualify for the game show Jeopardy, each contestant must complete a grueling six-hour exam. The results for the latest round of testing are given below.
-Refer to the situation described above ; what was the first quartile or Q1 of the exam scores?

A) 10
B) 20
C) 30
D) 40
E) None of the above.