Mathematics · Surveying
In reciprocal levelling between two points A and B on opposite banks of a river, the instrument was set up near A and the staff readings on A and B were 2.107 m and 3.335 m respectively. The instrument was then moved and set up near B, where the respective staff readings on A and B were 1.934 m and 3.076 m. What is the true difference in level between A and B?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12.613 m
- 21.128 m
- 30.216 m
- 41.185 m✓
Correct answer
1.185 m
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