What is the value of gradient of the line RS, if the horizontal distance between the two points R and S is 200.0 m and the reduce level of the point R = 103.0 m and the reduced level of the point S = 99.0 m
1
1 in 25
2
1 in 10
3
1 in 50
4
1 in 15
5
1 in 100