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In what modulus is it true that 9 + 8 = 5?

In what modulus is it true that 9 + 8 = 5?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Mod 10
  • B Mod 11
  • C Mod 12
  • D Mod 13
Correct Answer: Option C
Explanation:
9 + 8 = 17
17 + mod 12 = 1 rem 5
it is mod 12

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