1.

Three points, A, B and C 500 m apart on a straight road have 500 m, 505 m and 510 m as their reduced levels. The road is said to have

A. no gradient between A and C
B. a positive gradient between A and C
C. a negative gradient between A and C
D. a positive gradient between A and B followed by a negative gradient between B to C.
Answer» E.


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