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Discrete Mathematics Level 3

I was on a tour of three countries India, France and U.K.

In each country I took photographs of exactly two monuments---

1) In India -- The Taj Mahal and The Golden Temple

2)In France --- The Eiffel tower and The Louvre

3) In U.K. --- The Stonehenge and The London Eye

I shuffled and arranged these 6 photographs at random in a Circle.

What is the percentage probability that the Taj Mahal and the Golden Temple photos are adjacent to each other?

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