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(6) distinct rings are to be worn on (4) distinct fingers, with at most one ring on each finger. How many ways are possible?

Answer and explanation

Correct answer: (360)

We assign (4) of the (6) rings to (4) distinct fingers with order, so (^{6}P_{4}=360). Exam tip: distinct fingers require permutations.

Related tags

PermutationsAssignmentDistinct ObjectsClass 11Permutations And CombinationsMathematicsClass 11 Mcq

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