CAT 2019 Permutations and Combinations Question (Medium)

Question

In how many ways can 10 books on mechanics and 8 books on quantum physics be placed in a row such that two books on quantum physics may not be together?

Optima Learn · Accepted Answer

Understanding The question asks for the number of ways to arrange 10 mechanics books and 8 quantum physics books in a row such that no two physics books are adjacent to each other. Analyzing First arrange the 10 mechanics books in a row this creates 11 possible gaps for the physics books one before

CAT 2019 Permutations and Combinations — Previous Year Question

CAT 2019

Quantitative

Permutations and Combinations

Medium

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