A Group of 90 students is there is sports group.
Football is played by 30 students.
Volleyball is played by 40 students.
Basketball is played by 25 students.
15 students play both Football and Volleyball.
10 students play both Football and Basketball.
8 students play both Volleyball and Basketball.
23 students are not playing any games.
How many students are playing in all three games?
5
