Question

Among 100 students 32 study math,20 study physics,45 study Biology, 15 study Math and Biology, 7 study Math and Physics, 10 study Physics and Biology and 30 do not study any of the subject.

Find the number of students studying exactly one of the three subject??​

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Answer 1

Answer:

33

Step-by-step explanation:

Answer 2

Answer:

97

Step-by-step explanation:

Number of students who study only Maths = 32

Number of students who study only Physics = 20

Number of students who study only Biology = 45

Number of students who study only one subject = 32 + 20 + 45 = 97

So, 97 students  study only one subject.