Question

In a survey of 25 students, it was found that 15 had Mathematics, 12 had taken physics and 11 had taken Chemistry, 5 had taken Mathematics and Chemistry, 9 had taken Mathematics and Physics, 4 had taken Physics and Chemistry and 3 had taken all the three subjects. Find the number of students that had taken only 2 subjects ? [ NDA ( 2014 ) ]

a) 7
b) 8
c) 9
d) 10 ​

Answer 1

Answer:

c) 9

Step-by-step explanation:

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