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IKMC 2027 - Grades 9-10 - Self-study SET 9 - Thematic Batch 3 Question 17

IKMC · IKMC 2027 - Grades 9-10 - Self-study SET 9 - Thematic Batch 3

Question 17

Albert writes an even number of distinct primes whose sum is odd. Bianca writes an odd number of distinct primes whose sum is even. Let A and B be their respective products. Which statement is true?

Question illustration
  1. A is even and B is odd.
  2. A is odd and B is even.
  3. Both A and B are odd.
  4. Both A and B are even.
  5. No definite conclusion is possible.