Question 5
EasyOriginal question. What is ?
Show the answer and explanation
CorrectNot quiteAnswer B
Correct answer: B
Explanation
, so .
The remainder is 3.
Worth noting
9 is not a remainder modulo 6; reduce it: .
- Concept
- Remainders of a shifted number
- Typical timeTypical
- 60 s
- Your timeYours
- —
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Ten questions from Modulo Arithmetic & Congruence, at your own pace.