If the observed back sight and fore sight are 20 m and 18 m. The correction back

Question

If the observed back sight and fore sight are 20 m and 18 m. The correction back sight on A will be equal to 16 m, The correct fore sight on B will be equal to 14 m where then what is the correction difference in level between A and B?

Options:

A . 4 m

B . 3 m

C . 2 m

D . 6 m

Answer: Option C
Answer: (c).2 m

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