Skip to content / Đến nội dung
ThichHocToan.com

IKMC 2027 - Grades 11-12 - Self-study SET 10 - Thematic Batch 3 Question 1

IKMC · IKMC 2027 - Grades 11-12 - Self-study SET 10 - Thematic Batch 3

Question 1

Alex starts with two apples and one orange in a strange basket. Whenever he takes an apple, one orange disappears and three apples appear. Whenever he takes an orange, one apple disappears and two oranges appear. He takes one fruit per turn, alternating orange, apple, orange, apple, and so on. How many of each fruit remain after 20 turns?

Question illustration
  1. 1 apple and 1 orange
  2. Only 10 apples
  3. 12 apples and 1 orange
  4. 20 apples and 10 oranges
  5. 22 apples and 11 oranges