Geometry

Question Analysis
This question is about calculating permutations of all distinct elements in a set, where repetition is not allowed.
The focus is on using the formula , with being the number of elements (paintings) in the set.

Key Concept Explanation
The formula (n factorial) gives the number of ways to order distinct objects. It is computed as .
In the context of arranging paintings, gives the total number of different possible orderings.

Step - by - Step Solution
Here,

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