From 6 different novels and 3 different dictionaries, 4 novels and 1 dictionary are to be…
Mathematics · JEE Main · NTA Exams — Permutations and Combinations
From 6 different novels and 3 different dictionaries, 4 novels and 1 dictionary are to be selected and arranged in a row on a shelf so that the dictionary should always come in the middle. Then the number of such arrangements are
- Less than 500
- At least 500 but less than 750
- At least 750 but less than 1000
- At least 1000
Answer
(D) At least 1000
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