In a class, 25 children play cricket, 25 play hockey and 28 play Football. All the students play at least one of the games. 24 children play at least 2 of the games and 12 children play all the games.
Find the number of children in the class.

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Solution

The correct option is B 42

a+b+c = 12
d = 12
Total number of students = 25+25+28-12-(2 $\times$ 12) = 42

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In a class, 25 children play cricket, 25 play hockey and 28 play Football. All the students play at least one of the games. 24 children play at least 2 of the games and 12 children play all the games. Find the number of children in the class.

The correct option is B 42 a+b+c = 12 d = 12 Total number of students = 25+25+28-12-(2×12) = 42

In a class, 25 children play cricket, 25 play hockey and 28 play Football. All the students play at least one of the games. 24 children play at least 2 of the games and 12 children play all the games.
Find the number of children in the class.

The correct option is B 42

a+b+c = 12
d = 12
Total number of students = 25+25+28-12-(2 $\times$ 12) = 42