Skip to content / Đến nội dung
ThichHocToan.com

IKMC 2010 — Grades 3–4 Question 24

IKMC · IKMC 2010 — Grades 3–4

Question 24

Berti’s friends add together the day and the month of their birthdays. They each get the answer 35, but no two have the same birthday. What is the maximum number of friends of Berti?
  1. 7
  2. 8
  3. 9
  4. 10
  5. 12