Computer · Surveying
In a levelling work, the following readings were taken with a dumpy level: 2.05, 0.525, 1.875, 1.21, 3.245, 1.94, 0.975, 2.875 (in metres). If the instrument was shifted after the second and fifth readings, the readings recorded in the foresight column are:
- 11.875, 1.94, 2.875
- 22.05, 1.875, 1.94
- 30.525, 1.94, 2.875
- 40.525, 3.245, 2.875✓
Correct answer
0.525, 3.245, 2.875
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