On twisting, the denier of a multifilament yarn consisting of 300 filaments of

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On twisting, the denier of a multifilament yarn consisting of 300 filaments of 3 denier each
becomes 1100. If 11 km of untwisted filament yarn is twisted, its length in km will be __________.

Options:

A . 3

B . 6

C . 9

D . 12

Answer: Option C

-NA-

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