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Class 11MathematicsPermutations and CombinationsPermutationsExpert
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In how many circular arrangements can (A,B,C,D,E,F,G,H) be placed if (A,B,C) are consecutive but (B) is not in the middle of them?

Answer and explanation

Correct answer: (480)

Treat (A,B,C) as a block, so (6) units have (5!) circular arrangements, and internally (4) orders do not have (B) in the middle. Count internal orders separately.

Related tags

PermutationsCircular ArrangementBlock MethodPermutations And CombinationsMathematicsClass 11 Mcq
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