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Q. |
The difference of levels between two points A and B is 1 metre and their distance apart is 50 metres, the gradient is said to be |
A. | 1 in 50 or 2% |
B. | 1 in 5 or 20% |
C. | 1 in 20 or 5% |
D. | none of these |
Answer» A. 1 in 50 or 2% |
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