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If lines (x-3)/1=(y-[K])/2=(z-1)/1 and (...

If lines `(x-3)/1=(y-[K])/2=(z-1)/1` and `(x-1)/2=(y+1)/3=(z-1)/4` intersect, (where [.] denotes greatest integer function) then `K` can be 4 (2) `(13)/4` (3) 5 (4) `(37)/6`

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