total no. of players is 99 other than me.50 plays soccer,45 plays basket ball,50 play valley ball.15 play all three. How many will play only 2 games?	Options.
A) 40
B) 50
C) 60
D) 70
E) 80
let A=soccer players..B=basket ball players..C=vollyball players   n(A U B U C)=n(A) + n(B) + n(C) - n(A INTERSECTION B) - n(A INTERSECTION C) - n(C INTERSECTION B) + n(A INTERSECTION B - INTERSECTION C)   therefore..   100=50+45+50-intersections+15   hence..intersections=145-100+15= 
<gadget id="calculator">145-100+15</gadget>
<output>60</output>
60 play only 2 games..   ANSWER:60
<result>C</result>
total no. of players is 99 other than me.50 plays soccer,45 plays basket ball,50 play valley ball.15 play all three. How many will play only 2 games?