I need a problem made up as well as a solution Permutations

I need a problem made up, as well as a solution.

Permutations and combinations (Should include at least two examples)

Solution

Permutations: An arrangement where order is important called permutations.

Combinations: An arrangement where order is not important known as combinations.

Problem on permutations:

Suppose 12 people needs to go to paris, but we have only 5 tickets, then in how many ways can we choose 12 people for 5 tickets.

Ans:

12C1 *11C1*10C1*9C1*8C1* = 12*11*10*9*8 = 95040 ways

Problem on combinations:

Question: you have to choose three movies from 5 different movies, in how many can you choose the movies:

Ans:

5C3 = 5!/(3!*2!) = 10 ways

I need a problem made up, as well as a solution. Permutations and combinations (Should include at least two examples)SolutionPermutations: An arrangement where

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