Posted by partey on Sunday, October 30, 2011 at 5:31pm.
1. In an examination conducted for 80 candidates, those who passed in mathematics were 17 more than those who passed science and 9 failed both subjects.14 candidates passed both subjects. I. Draw a venn diagram to illustrate this information II. How many students passed in mathematics? III. How many students passed in science? IV. How many passed exactly one subject?

mathematics  Steve, Monday, October 31, 2011 at 5:35am
I assume you can draw the Venn diagram. The universe is 80, the population outside the circles is 9, the population of the intersection of the circles is 14.
If you add M+S, you count twice the 14 who passed both.
so, M + S  14 = 809 = 71
M + S = 85
M = 17+S
2S + 17 = 85
2S = 68
S = 34
so, M = 51

mathematics  LOLO, Sunday, April 3, 2016 at 11:38am
23,34
Answer This Question
Related Questions
 Business mathematics  In an examination of certain number of candidates 18 ...
 math  In an examination 80% candidates passed in English and 85% candidates ...
 Math  In a group of 105 students, 70 students passed Mathematics, 60 students ...
 math  In a group of 105 students, 70 students passed Mathematics, 60 students ...
 math  out of 100 students in a final examination of class 10, 70 passed in ...
 Math  80 boys took the examination in the three subjects: Chinese, English and ...
 set (math)  A class of 47 students took examination in algebra and geometry. If...
 Maths  In an aptitude test, 45% of candidates failed. If there were two more ...
 venn diagram  IN A CLASS OF 130 STUDENTS.85 PASSED IN MATHS, 60 PASSED IN ...
 Maths  Among the examinees in an examination 30%, 35% and 45% failed in ...
More Related Questions