a school has 7 maths 6 physics and 5 chemistry teachers each teacher can teach 3 subjects max what is he minimum number of teachers required
Choose the correct choice from the following choices:
A) 3
B) 5
C) 6
D) 7
E) 8

Rationale: total subjects = 7 + 6 + 5 = 18 max subjects by 1 teacher = 3 so , min of teachers required = 18 / 3 = 6 answer : c
Answer: C