Skip to content / Đến nội dung
ThichHocToan.com

IKMC 2020 - Grades 11-12 - Brazil Second Application - Self-study Question 24

IKMC · IKMC 2020 - Grades 11-12 - Brazil Second Application - Self-study

Question 24

A positive integer N is divisible by all integers from 2 to 11 except exactly two. How many of these pairs can be the exceptions:(6,7),(7,8),(8,9),(9,10),(10,11)?
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5