A hill road rises up by 0.50 m, when the horizontal distance covered along the inclined plane is 20 m. The gradient of hill road is :
A. 40 : 1
B. 1 : 40
C. 1 : 4
D. 4 : 1
Answer:B
A hill road rises up by 0.50 m, when the horizontal distance covered along the inclined plane is 20 m. The gradient of hill road is :
A. 40 : 1 B. 1 : 40 C. 1 : 4 D. 4 : 1