What will be the correction for absolute length of the length of the line is 20m

Question

What will be the correction for absolute length of the length of the line is 20m, correction is 2m and length of the tape is 30m?

Options:

A . 1.43

B . 1.34

C . 31.42

D . 2.65

Answer: Option B
Answer: (b).1.34

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