Question

In a group of students in a class, 20 are in the
debating club, 24 in the drama club and 27 in the
recitation club If 12 like drama and debate, 10 like
recitation and debate, 14 like drama and recita-
tion and 7 like all the three activities, then the
total number of student in class is
(a) 40
to) 42
(C) 50
(d) 52​

Answer 1

my answers is 52 for this sum