Question:

Which of the following has the maximum slope ?

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A slope 1 : n is steeper when n is smaller, because it equals 1/n.
Updated On: Nov 12, 2026
  • 1 : 20
  • 1 : 15
  • 1 : 30
  • 1 : 10
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The Correct Option is D

Solution and Explanation

A slope of 1 : n means a rise of 1 unit for every n units of horizontal run, so its value is 1/n.
The values are: 1/20 = 0.05, 1/15 = 0.067, 1/30 = 0.033 and 1/10 = 0.10.
The largest value is 1/10, so 1 : 10 is the steepest slope.
Answer: (4) 1 : 10
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