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The given Venn diagram shows a total of 50 students who appeared for three different examinations: A, B and C. All have appeared for at least one examination. How many appeared for examination A and B but not C?

The given Venn diagram shows a total of 50 students who appeared for three different examinations: A, B and C. All have appeared for at least one examination. How many appeared for examination A and B but not C? Correct Answer 4

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In the given figure students who appeared for examination A and B but not C is represented by the area of intersection of A and B which does not have any number.

The number will be calculated as follows:

Total number of students : 50

Number of students who appeared for examination A and B but not C = 50 – (10 + 5 + 10 + 4 + 12 + 5) = 50 – 46 = 4

Hence, 4 is the correct answer.

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