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

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