What is an example of an intermediate level GMAT question?

Answer 1

The following is an example of an intermediate level GMAT Data Sufficiency question:

In a certain community orchestra, 40 percent of the members are string players. If 28 percent of the members are female string players, how many of the members are female string players?

(1) Exactly 120 of the members are string players.

(2) Exactly 35 percent of the players who are not string players are male.