# Mathematics

In an examination conducted for 60 candidates,the number of candidate who passed in Maths is 15 more than those who passed science and 7 failed both subject 12 candidates passed both subject
1.Draw a Venn diagram to illustrate this information
2.How many candidates passed Maths
3.How many candidates passed Science
4.Exactly one of the two subjects

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1. I assume you can draw the Venn diagram. If not google is your friend.
If s passed science, then s+15 passed math. So,
s + (s+15) - 12 = 60-7
now you can answer questions 2,3
For #4, 60-7 passed something; 12 passed both, so 60-7-12 passed one or the other, but not both.

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2. in an examination conducted for 60 candidates,the number who passed in mathematics are 15 more than those who passed in science and 7 failed in both subject. 12 candidates passed in both subject

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3. I do not understand

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5. Please I don't get you!!

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6. Please the solution for question above:

Let s=Science
(s+15)=Mathematics
U=60
Passed both subj=12
Failed in both sub=7
Now sum all together and equate to the U
(s+12+(15+s)+7=60
Therefore,s=13//.
Qns2,
Passed Math =(15+13)=28//
Qns3,
Passed Science=13
Qns4,
Passed one subject=(s-12,i.e 13-12=1//)+ (15+s-12,i.e 28-12=14//),therefore,one subject=(1+14=15)//

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7. The Venn diagram

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8. I need the Venn diagram for my homework

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9. i dont understand

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