Q 1367423385.     If `P(3,2,6)` is a point and `Q` is a point on the line `vec r=(hat i-hat j+2 hat k)+lambda(-3 hat i+hat j+5 hat k)` , then the value of `lambda` for which `vec{PQ}` is parallel to the plane `x-4y+3z=1` is ?

A

`frac{1}{4}`

B

`frac{1}{8}`

C

`-frac{1}{4}`

D

`-frac{1}{8}`

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