Question 50
EasyOriginal questionOn , the relation is if is divisible by 3.
Into how many equivalence classes does this remainder relation split ?
Show the answer and explanation
CorrectNot quiteAnswer B
Correct answer: B
Explanation
The classes are , and .
3 classes, one per remainder.
Worth noting
6 counts the elements, not the classes.
- Concept
- The number of classes
- Typical timeTypical
- 90 s
- Your timeYours
- —
Practise this chapter →
Ten questions from Relations & Functions, at your own pace.