The table above shows the number of students in three clubs at McAuliffe School. Although no student is in all three clu

[M7MBA]

The table above shows the number of students in three clubs at McAuliffe School. Although no student is in all three clubs, 10 students are in both chess and drama, 5 students are in both chess and math, and 6 students are in both drama and math. How many different students are in the three clubs?

(A) 68
(B) 69
(C) 74
(D) 79
(E) 84

Answer: C

Source: Official Guide