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Masses of three wires of copper are in t...

Masses of three wires of copper are in the ratio of `1 :3 : 5` and their lengths are in the ratio of `5 : 3 : 1`. The ratio of their electrical resistance is

A

`1 : 3 : 5`

B

`5 : 3 : 1`

C

`1 : 15 : 125`

D

`125 : 15 : 1`.

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