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प्रश्न
Calculate the average gradient along the two stations A and B, if the horizontal distance between them is 1,200 metres and the vertical difference in height is 240 metres.
उत्तर
`"Vertical interval"/"Horizontal equivalent" = 240/1200 = 1/5` or 1 : 5
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Part of the Topographical Sheet No 63K/12
