2. All the students in SS3 of a named school take either Mathematics (M), or Physics (P) or Chemistry (C). 40 take Mathematics, 42 take physics, 38 take Chemistry, 20 take Mathematics and Physics, 28 take Physics and Chemistry while 25 take mathematics and chemistry.

Question

2.	All the students in SS3 of a named school take either Mathematics (M), or Physics (P) or Chemistry (C). 40 take Mathematics, 42 take physics, 38 take Chemistry, 20 take Mathematics and Physics, 28 take Physics and Chemistry while 25 take mathematics and chemistry. 
How many take
(a)	All the three subject: 
(b)	Mathematics, but neither Physics nor Chemistry
(c)	Physics, but neither Mathematics nor Chemistry

Dalla okai · Accepted Answer

1.n(u)=n(M)+n(P)+n(C)-n(MnP)-n(PnC)-n(MnC)+n(MnPnC)

Anonymous · Answer

posted three times have you drawn the Venn diagram?

Kolawole Aishat · Answer

Answers to the questions

OLUSESI MEDINAT · Answer

All the 62 student in ss1 of a named school take either mathematics or physic or chemistry. 40 take mathematics,42 take physics, 38 take chemistry, 20 take mathematics and physics, 28 take physics and chemistry while 25 take mathematics and chemistry