Question

║⊕QUESTION⊕║
Math is sometimes called the science of patterns
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CLASS 11
PERMUTATIONS AND COMBINATIONS
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Find the number of ways in which 5 large books, 4 medium-sized books, and 3 small books can be placed on a shelf so that all the books of the same together.

Answer 1

Step-by-step explanation:

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Large books arrangement = 5! ways.

Medium size books arrangement = 4! ways.

Small books arrangement = 3! ways.

The three group of books can be shuffled in 3! ways

So, P = (5!)×(4!)×(3!)×(3!)

= 103680

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Answer 2

Answer:

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