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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

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B

2 stages

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C

4 stages

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D

7 stages

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Solution

The correct option is A

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.


Mathematics

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