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JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

The number of ways in which cards can be divided into sets, three of them having cards each and the fourth one having just one card

Answer: (B)

Solution

Give , , and cards to four labelled groups: ways. The sets are not labelled, and the three sets of cards are alike in size, so

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Question ID VK-020768