letdou9169 letdou9169
  • 06-02-2024
  • Mathematics
contestada

If the number of ways of selecting two distinct numbers from the set {1, 2, ..., 12} whose sum is divisible by 3 is equal to k, then k - 16 is equal to .......
a) 32
b) 22
c) 18
d) 14

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