out of 80 athlete on a sport ground 30 plays volley ball 40play tennis 36 plays hockey if three athlete plays non of the three games, 11 plays teenis and volleyball,15 plays tennis and hockey10 play volleyball and hockey. if 7 athlete plays all the three games (a) represent above with a venn diagram (b) find the number who play volleyball only , play tennis and hockey ,only play exactly one game ,play two of the game only , play at-least one of the game