SSC JE Civil Engineering 2018 Set 4 Solved Paper

Question : 139 of 200

Marks: +1, -0

A surveyor measures a distance between two points on a map of representative fraction of 1:100 is 60 m. But later he found that he used wrong representative fraction of 1:50. What is the correct distance between the two points?

Validate

Solution:

Representative fraction = Map distance / ground distance
Ground distance)

_A

= 60/ (1/100) and Ground distance)

_B

= map distance/ (1/50)
Therefore, 60/ (1/100) = map distance/ (1/50)
Corrected Map distance = 120

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