Question

[ please solve whole equation than paste it in the site ]


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 who had
(i) only chemistry
(ii) only physics
(iii) only mathematics
(iv) physics and chemistry but not mathematics
(v) mathematics and physics but not chemistry
(vi) at least one of the three subjects.
(vii) only one of the subjects
(viii) none of the subjects.

Answer 1

Step-by-step explanation:

i.11

ii.12

iii.15

iv.4

v.9

vi.

vii.

viii. sorry for it but i tried my level best