The line which contains all points (x,y,z) which are of the form (x,y,z)=(2,−2,5)+λ(1,−3,2) intersects the plane 2x−3y+4z=163 at P and intersects the YZ -plane at Q . If the distance PQ is ab , where a,b∈N and a>3 , then (a+b) is equal to
a. 23
b. 95
c. 27
d. None of these