The ruling gradient is 1 in 200 on a section of the BG track. If the track is laid in that place at a curve of 5 degrees then the allowable ruling gradient on the curve will be a) 1 in 16.7
b) 1 and 400
c) 1 in 240
d) 1 in 333*
b) 1 and 400
c) 1 in 240
d) 1 in 333*