Based on the number of paintings, they can be displayed in the way suggested in 120 ways.
If one painting out of 5 is displayed, that leaves 4 paintings. When one is taken from this 4, there will be 3 left. This goes on till there are no paintings left.
The number of ways to display these paintings is therefore:
= 5 x 4 x 3 x 2 x 1
= 120 ways
In conclusion, it can be done in 120 ways.
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