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Which of the following situations would exist when the slope is referred as 100 percent ?

  • A.The horizontal distance is double than vertical difference
  • B.The horizontal distance is same as the vertical difference
  • C.The horizontal distance is half than the vertical difference
  • D.The horizontal distance is 10 times of the vertical distance

Answer: B

A 100 percent slope means the horizontal distance is the same as the vertical difference.

Percentage slope is the vertical rise (rise) divided by the horizontal distance (run), multiplied by 100.

\[ \text{slope} = \frac{\text{rise}}{\text{run}} \times 100 \]

\[ \frac{100}{100} \times 100 = 100\% \]

So a 100 percent slope rises 100 m in 100 m of horizontal distance, an angle of 45°. A horizontal distance double the rise gives 50 percent, half the rise gives 200 percent, and ten times the rise gives 10 percent, so the other options are wrong.

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