%_If ruling gradient is I in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be_%

%_If ruling gradient is I in 20 and there is also a horizontal curve o

1.	%_If ruling gradient is I in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be_%
A.	3 %
B.	4%
C.	5 %
D.	6%
Answer» C. 5 %