VENN DIAGRAM
Definition of Venn Diagram
A Venn diagram is a diagram that uses circles to illustrate the relationships among sets.
Examples of Venn Diagram

The Venn diagram below shows the number of grade 5 students who scored above 50% on Math, above 50% on Science, and above 50% on both Math and Science

From the Venn diagram, we learn that 16 students scored above 50% on Math, 21 students scored above 50% on Science, and 6 students scored above 50% on both Math and Science.
Video Examples: Solving Problems with Venn Diagrams
Solved Example on Venn Diagram
Ques: Find the LCM of 14 and 36 using a Venn diagram.
Choices:
A. 256B. 252
C. 254
D. 250
Correct Answer: B
Solution:

Step 1: 14 = 2 ' 7 36 = 2 ' 2 ' 3 ' 3 [Write the prime factors of 14 and 36.]
Step 2: Represent all the prime factors of 14 and 36 in a Venn diagram
Step 4: The LCM of 14 and 36 is 252.
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