Question

In a group of 25 students, it was found 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 three subjects. find the number of students that had - i. only mathematics ii. only chemistry iii. only physics iv. physics and chemistry but not mathematics v. mathematics and physics but not chemistry.

Answer 1

¡-15
¡¡-11
¡¡¡-12
|V-4
V-9