The desirable camber for straight cement concrete roads, is

A)
1 in 33 to 1 in 25
B)
1 in 40 to 1 in 33
C)
1 in 160 to 1 in 140
D)
1 in 150 to 1 in 140

Correct Answer :   1 in 160 to 1 in 140