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IKMC 2022 - Grades 9-10 - Self-study Question 25

IKMC · IKMC 2022 - Grades 9-10 - Self-study

Question 25

All inhabitants of a city speak only by asking questions. “Positives” always ask questions whose answer is yes; “negatives” always ask questions whose answer is no. Berta asks, “Are Albert and I both negative? ” What types are Albert and Berta?
  1. Both positive
  2. Both negative
  3. Albert positive, Berta negative
  4. Albert negative, Berta positive
  5. Not enough information