Question

At each stage the black dot moves 3 corners clockwise and the white dot moves 3 corners anticlockwise. After how many stages will both dots be together in the same corner?

• A. 5 stages
• B. 2 stages
• C. 4 stages
• D. 7 stages

Answer 1

The correct option is C

4 stages

Given that black moves 3 corner clockwise and white moves 3 corner anticlockwise.
After drawing all the stages till 4th stage we get both the balls in the same corner.