IKMC 2019 - Grades 5-6 - Self-study Question 24

Question 24

Benjamin writes an integer in the first circle and then fills the other five circles by following the instructions. How many of the six numbers in the circles are divisible by 3?

Question illustration

1
both 1 and 2 are possible
2
both 2 and 3 are possible
both 3 and 4 are possible