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JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

A lady given a dinner party for six guest. The number of ways in which they may be selected from among ten friends, if two of the friends will not, attends the party together is

Answer: (B)

Solution

Without any restriction the guests can be chosen in ways. Choices that contain both of the two friends who will

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Question ID VK-020549