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Q. |
The R.L, of the point A which is on the floor is 100 m and back sight reading on A is 2.455 m. If the foresight reading on the point B which is on the ceiling is 2.745 m, the R.L. of point B will be |
A. | 94.80 m |
B. | 99.71 m |
C. | 100.29 m |
D. | 105.20 m |
Answer» D. 105.20 m |
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