2552. If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is_________________?

A. 99.345 m
B. 100.345 m
C. 100.655m
D. 101.870m
✅ The correct answer is option A.

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