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JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

From different novels and different dictionaries, novels and dictionary are to be selected and arranged in a row on the shelf so that the dictionary is always in the middle. Then the number of such arrangement is

Answer: (C)

Solution

Choose the novels in ways and the dictionary in ways. Fix the dictionary in the middle (third place); the

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Question ID VK-020538