Mathematics · Levelling Calculations
The following consecutive readings were taken with a level and a 5 m levelling staff on a continuously sloping ground at a common interval of 10 m: 0.385, 1.030, 1.925, 2.825, 3.730, 4.685, 0.625, 2.005, 3.110 and 4.485. Calculate the reduced level of the 7th station if the RL of the 1st station is 208.125 m. (The change in instrument station is due to the limited length of the levelling staff).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1202.445 m✓
- 2206.780 m
- 3204.325 m
- 4200.340 m
Correct answer
202.445 m
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