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Out of the 60 student of a class, 29 took Mathematics, 32 took Biology and 8 took none of the two subjects. How many students took both Mathematics and Biology?

Out of the 60 student of a class, 29 took Mathematics, 32 took Biology and 8 took none of the two subjects. How many students took both Mathematics and Biology? Correct Answer 9

Total number of student : 60

Number of students who took none of the subjects : 8

Remaining students in the class (at least one subject) = 52

Number of students who took Mathematics : 29

Number of students who took Biology : 32

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Total number who took Mathematics or Biology or both = 32 + 29 = 61

Total number who took both the subjects = Total number who took at least one of Mathematics or Biology or both – remaining students in the class = 61 – 52 = 9.

[ alt="5ed8d354f60d5d2aa46d8485 16540830143762" src="//storage.googleapis.com/tb-img/production/22/06/5ed8d354f60d5d2aa46d8485_16540830143762.png" style="height: 104px; width: 410px;">

Hence, 9 is the correct answer.

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