Q. The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in the given figure. If there is a uniform upgradient of the road 120 in 1, the chainage of the point with no filling or cutting is
A. (6 + 12) chains
B. (6 + 18) chains
C. (6 + 15) chains
D. None of these
Answer: (6 + 12) chains
