<PRE><B>Question 995526</B>
A + B - AB = 200


A is the number who play soccer.
B is the number who play cricket.
AB is the number who play both.


A = 120
B = 100


120 + 100 - AB = 200


220 - AB = 200


AB = 220 - 200 = 20


20 play both.


this means that:


100 play soccer only.
80 play cricket only.
20 play both.


100 + 80 + 20 = 200


solution is:


80 play cricket but not soccer.


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