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In a class of 100 students, every student has passed in one or more of the three subjects, i.e History, Economics and English. Among all the student, 24 students have passed in English only, 14 students have passed in History only 11 students have passed in both English and Economics only, and 12 students have passed in both English and History only. A total of 50 students have passed in History. If only 5 students have passed in all three subjects, then how many students have passed in Economies only?

In a class of 100 students, every student has passed in one or more of the three subjects, i.e History, Economics and English. Among all the student, 24 students have passed in English only, 14 students have passed in History only 11 students have passed in both English and Economics only, and 12 students have passed in both English and History only. A total of 50 students have passed in History. If only 5 students have passed in all three subjects, then how many students have passed in Economies only? Correct Answer 15

Total no. of students in the class = 100

No. of students passed in English only = 24

No. of students passed in History only = 14

No. of students passed in both English and Economics only = 11

No. of students passed in both English and History only = 12

No. of students passed in History = 50

No. of students passed in all three subjects = 5

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No. of students who passed in Economics only = 100 - (50 + 24 + 11) = 100 - 85 = 15.

Hence, 15 is the correct answer.

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