1.

Given eight distinguishable rings, the number of possible five ring arrangements on the four fingers (not the thumb) of one hand is (the order of the rings on each finger is significant, but it not required that such that each finger have a ring) is

Answer»

`.^(8)C_(5)xx4^(5)`
`.^(8)C_(5)xx4^(5)xx5!`
`(.^(8)C_(5))^(2)xx5!`
NONE of these

Answer :C


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