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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. | |