aravindm

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Venn Diagram question

aravindm posted a topic in SAT

How do I go about solving the problem below? Can any one help please? In a group of 30 students, 25 are taking mathematics, 22 English, and 19 history. Every student is taking at least one of the courses. The greatest number of students who COULD be taking all three courses is x. The least number of students who COULD be taking all three courses is y. What is the value of x + y? a. 17 b. 19 c. 22 d. 23 e. 24 Thank you.
- March 20, 2011
- 1 reply
Venn diagram problem

aravindm posted a topic in GMAT Math

How do I go about solving the problem below? Can any one help please? In a group of 30 students, 25 are taking mathematics, 22 English, and 19 history. Every student is taking at least one of the courses. The greatest number of students who COULD be taking all three courses is x. The least number of students who COULD be taking all three courses is y. What is the value of x + y? a. 17 b. 19 c. 22 d. 23 e. 24 Thank you.