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Class 11MathematicsPermutations and CombinationsPermutationsExpert
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(8) distinct students are to be seated around a circular table. If (A) and (B) must always sit together, how many arrangements are possible?

Answer and explanation

Correct answer: (1440)

Treat (A) and (B) as one block, so circular arrangements are (6!) and internal arrangements are (2!). Exam tip: use block method for together conditions.

Related tags

PermutationsCircular ArrangementBlock MethodClass 11Permutations And CombinationsMathematicsClass 11 Mcq
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