SSAT Middle Level Math : How to find the common part with a Venn Diagram
Study concepts, example questions & explanations for SSAT Middle Level Math
All SSAT Middle Level Math Resources
Example Questions
Example Question #1 : Venn Diagrams
Using the Venn diagram shown above, what fraction represents the amount of students that enjoy both reading and playing video games?
The total number of survey respondents is equal to 
Thus, 
Example Question #2 : Venn Diagrams
The Venn diagram above, shows the results from a recent survey. The respondents were asked whether they enjoy playing video games, reading, or both. What percentage of the survey respondents enjoy both video games and reading?
The total number of survey respondents is equal to
Since the common part of the Venn diagram represents the respondents that enjoy both video games and reading, the solution is:
Example Question #633 : Ssat Middle Level Quantitative (Math)
The above Venn diagram depicts the number of students that: only play at the Rec. Center after school, only play at the park after school, and the students that play at both locations after school.
How many students play at both the park and Rec. Center after school?
To solve this problem, locate the common part of this Venn diagram. Since each of the two outside portions of the Venn diagram represent students that only play at either the park or Rec. Center.
The 
Example Question #634 : Ssat Middle Level Quantitative (Math)
Using the Venn diagram above, what fraction of the respondents play at both the Rec. Center and the park. (Keep in mind that the two outside portions of the Venn diagram represent respondents that only play at one location or the other).
To solve this problem, locate the common part of this Venn diagram. Since each of the two outside portions of the Venn diagram represent students that only play at either the park or Rec. Center. The 
This means that the total number of students (the denominator) must equal:
Making 
Example Question #635 : Ssat Middle Level Quantitative (Math)
The Venn diagram shown above represents the number of students that: only took math during summer school, only took social studies during summer school, and the number of students that took both math and social studies during summer school.
How many students took both math and social studies?
The common portion of this Venn diagram is equal to 
Example Question #636 : Ssat Middle Level Quantitative (Math)
What fraction of the above Venn diagram represents the number of students that took both math and social studies during summer school?
The common portion of this Venn diagram is equal to 
The denominator of the fraction is equal to the total number of students: \
Thus,
Example Question #641 : Ssat Middle Level Quantitative (Math)
Using the Venn diagram above shows whether respondents only like Super Hero 
The total number of survey respondents is equal to
Thus, the solution is:
Example Question #642 : Ssat Middle Level Quantitative (Math)
The Venn diagram shown above displays whether respondents only use Social Media site 
What percent of respondents use both Social Media sites?
The total number of survey respondents is equal to
Example Question #643 : Ssat Middle Level Quantitative (Math)
What fraction represents the amount of respondents that use both Social Media site 
The total number of survey respondents is equal to
Example Question #644 : Ssat Middle Level Quantitative (Math)
The above Venn diagram shows the amount of survey respondents that only like tacos, only like tamales, and those that like both tacos and tamales.
What fraction of respondents like both tacos and tamales?
The total number of survey respondents is equal to 
The total number of respondents that do not like both tacos and tamales: 
The remaining amount equals the respondents that like both tacos and tamales.
Thus, the solution is:
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