Question 65
MediumOriginal questionA club's 16 members belong to four houses with 3, 5, 2 and 6 members. Two members are related if they belong to the same house.
How many members are in the equivalence class of a member of the 5-member house?
Show the answer and explanation
CorrectNot quiteAnswer C
Correct answer: C
Explanation
The class of a member is everyone related to them, themselves included.
That is the whole house: 5.
Worth noting
4 leaves the member out of their own class; the relation is reflexive.
- Concept
- Equivalence classes
- Typical timeTypical
- 120 s
- Your timeYours
- —
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