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JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

Number of ways in which people can occupy six seats, seats on each side in a first class railway compartment if two specified persons are to be always included and occupy adjacent seats on the same side, is then has the value equal to

Answer: 8

Solution

Choose the other people from the remaining : ways. Seat the two specified persons on the same side: choose the side ( ways), their adjacent pair of seats ( choices

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Question ID VK-020716