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# Funny Venn Diagram q watch

1. Accordinng to the answers in the book, the answer for the first one is 5... but i dont see how??
thank you!!

2. (Original post by hajs)
Accordinng to the answers in the book, the answer for the first one is 5... but i dont see how??
thank you!!

does n(p) mean the number of things inside the p circle?
3. (Original post by thefatone)
does n(p) mean the number of things inside the p circle?
ahhh!! yeah that sounds right.

thank youu!
4. (Original post by hajs)
ahhh!! yeah that sounds right.

thank youu!
5. I have another q:

All 100 students in a year group sat a test in english and a test in science.
Everyone passed atleast one of the tests.82 of the students passed the english test and 57 passed the science test.
Show this information in a venn diagram.

How do you know what the intersection value is?
thank you.
6. (Original post by hajs)
I have another q:

All 100 students in a year group sat a test in english and a test in science.
Everyone passed atleast one of the tests.82 of the students passed the english test and 57 passed the science test.
Show this information in a venn diagram.

How do you know what the intersection value is?
thank you.
I think you need to do some arithmetic

if s = science only
e = english on;y
and b = science and english

then you can do s + e + b = 100
etc

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