Question

In a group of players in a college, 20 are in the
basketball team, 24 in the hockey team and 27 in
the cricket team. If 12 play hockey and basketball,
10 play cricket and basketball, 14 play hockey and
cricket and 7 play all the three games, then the total
(a) 42
(b) 43
(C) 45
number of players in the group is​

Answer 1

20+24+27-12-10-14+7 = 42