The Reduced Levels (RLs) of the points P and Q are +49.600 m and +51.870 m respectively. Distance PQ is 20 m. The distance (in m from P) at which the +51.000 m contour cuts the line PQ is

The Reduced Levels (RLs) of the points P and Q are +49.600 m and +51.8

1.	The Reduced Levels (RLs) of the points P and Q are +49.600 m and +51.870 m respectively. Distance PQ is 20 m. The distance (in m from P) at which the +51.000 m contour cuts the line PQ is
A.	15.00
B.	12.33
C.	3.52
D.	2.27
Answer» C. 3.52