 Venn Diagrams,
a selection of answers from the Dr. Math archives.
 What is a Venn Diagram?
 What is a Venn Diagram? What is its use, definition, and
what does it look like?
 John Venn and Venn Diagrams
 Can you give me some information on John Venn and the
origin of Venn diagrams?
 How Many are in the Group?
 Everyone in the group had been to at least one of the parks...
 Venn Diagram of Our Number
System
 I don't know how to include complex numbers that consist
of a real part and an imaginary part. Can you please diagram
this for me?
 Venn Diagram of Natural
Numbers
 How can I construct a Venn diagram comparing the numbers 1 through
100 in these 4 areas: odd, even, composite and prime?
 Venn Diagram to Classify
Quadrilaterals
 I am looking for a Venn diagram that will accurately display
the relation among trapezoids, parallelograms, kites, rhombi,
rectangles, and squares.
 Venn Diagram: Goops, Gorps,
Gorgs
 Every Goop is a Gorp. Half of all Gorgs are Gorps. Half of
all Gorps are Goops. There are 40 Gorgs and 30 Goops. No Gorg is
a Goop. How many Gorps are neither Goops nor Gorgs?
 Derfs and Enajs: Algebra and
Venn Diagrams
 All Derfs are Enajs. Onethird of all Enajs are Derfs. Half of all
Sivads are Enajs. One Sivad is a Derf. Eight Sivads are Enajs. The
number of Enjas is 90. How many Enajs are neither Derfs nor Sivads?
 Are They Wearing Seatbelts?
 80 percent of all California drivers wear seat belts. If 4 drivers
are pulled over, what is the probability that all 4 will be wearing their
seatbelts?
 Diagram for Math Numbers
 My daughter is doing a tree diagram using terms related to math
"numbers." Could you please explain in lay terms what surds are?
 Unknown Numbers and a Venn
Diagram
 The GCF of two numbers is 20 and the LCM is 840. One of the
numbers is 120. Explain how to find the other number and use the
Venn diagram method to illustrate.
 Venn Diagram  Fast Food
Restaurants
 From a list of how many restaurants serve what kinds of food,
deduce the total number of restaurants.
 Venn Diagram: Two Possibilities
 The science club advisor asked club members what science courses they liked.
Eighteen members said they liked physics, 17 liked chemistry, and 10 liked
biology. However, of these, 9 liked physics and chemistry, 4 liked biology
and chemistry, 2 liked physics and biology, and 2 liked all three. How many
science club members were interviewed?
 Venn Diagram  Choose One
of Three Options
 Members of a computer class choose at least one of three options.
How many are taking just one? ... Use a Venn diagram.
 FiveSet Venn Diagram?
 What does a fiveset Venn diagram look like?
 Stirling Numbers
 Can you show how to evaluate Stirling Numbers of the first and second
kinds?
