Question
In a class of 50 students, 25 play chess, 17 play squash 13 do not play any game at all. Find the number of students who play both chess and squash
Answers
Let x be the number plalying both
25+17+13-x = 50
x = 5
You can illustrate this with a Venn Diagram
25+17+13-x = 50
x = 5
You can illustrate this with a Venn Diagram
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