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There are 7 distinguishable rings. The n...

There are 7 distinguishable rings. The number of possible five - rings arrangements on the four fingers (except the thumb) of one hand (the order of the rings on each finger is to be counted and it is not required that each finger has a ring is equal to

A

214110

B

211410

C

124110

D

141120

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The correct Answer is:
D
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NTA MOCK TESTS-NTA JEE MOCK TEST 65-MATHEMATICS
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