math whiz

Question or Hint Answer or Word
  1. 5+5= (wrong answers: 19 , 15, 13, 10)
  2. 9+9= (wrong answers: 17, 19, 18, 16)
  3. 15+15= (wrong answers: 40, 30, 17, 90)
  4. 8+8= (wrong answers: 4, 12, 16, 6)

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