Question 3
EasyOriginal questionWhich diagram best represents the relationship among Buses, Vehicles and Bicycles?
Show the answer and explanation
CorrectNot quiteAnswer B
Correct answer: B
Explanation
Every bus is a vehicle and every bicycle is a vehicle: both circles go inside Vehicles.
Nothing is both a bus and a bicycle: those two circles do not meet.
So two separate circles sit inside a larger circle.
Worth noting
Two overlapping circles inside a larger one would claim that some buses are bicycles.
- Concept
- Two disjoint classes inside a common larger class
- Typical timeTypical
- 40 s
- Your timeYours
- —
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