Answer :
In 240 ways paper can be stacked.
Given that, on a desk, there are 6 sheets of blue paper, 4 sheets of yellow paper, 5 sheets of green paper, and 2 sheets of pink paper.
We need to find how many ways can the paper be stacked.
What are permutations and combinations?
Arranging people, digits, numbers, alphabets, letters, and colours are examples of permutations. Selection of menu, food, clothes, subjects, and the team are examples of combinations.
Now, 6×4×5×2=240 ways
Therefore, in 240 ways paper can be stacked.
To learn more about permutations and combinations visit:
https://brainly.com/question/13387529.
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