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Let the students who likes table tennis be 12, the ones who like lawn tennis 10, those who like only table tennis are 6, then number of students who likes only lawn tennis are, assuming there are total of 16 students.

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Let the students who likes table tennis be 12, the ones who like lawn tennis 10, those who like only table tennis are 6, then number of students who likes only lawn tennis are, assuming there are total of 16 students.

(a) 16

(b) 8

(c) 4

(d) 10

I have been asked this question in my homework.

This is a very interesting question from Sets topic in portion Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

1 Answer

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Right answer is (c) 4

The explanation: The students who only plays lawn tennis will be a total lawn tennis player – those who play both the sports.

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