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Find the number of students that had taken Only Chemistry.

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Solution

The no .of students took only chemistry is $5$

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Similar questions

Q. In a survey of

55

students, it was found that

25

had taken Mathematics

22

had taken Physics and

21

had taken Chemistry,

12

had taken Mathematics and Physics,

10

had taken Mathematics and Chemistry and

8

had taken Physics and Chemistry if

12

students had taken none of the three subjects to find the number of students, who had taken all the three subjects. Also, find the number of those who have taken
(i)

only Mathematics
(ii)

only Physics
(iii) only Chemistry.

Q. 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
(i) Only Chemistry (ii) Physics and Chemistry but not mathematics
(iii) Only one of the subjects (iv) None of the subjects
(v) at least one of the three subjects

In a survey of 25 students, it was found that 15 had taken 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 one of the subjects.

In a survey of 25 students, it was found that 15 had taken 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 physics and chemistry but not mathematics.

Q. In a survey of university students, 64 had taken mathematics course, 94 had taken chemistry course, 58 had taken physics course, 28 had taken mathematics and physics, 26 had taken mathematics and chemistry, 22 had taken chemistry and physics course, and 14 had taken all the three courses. Find how many had taken one course only.

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