railway RRB JE (CBT I + CBT II) Mock Test 2024 Surveying Accuracy and Errors

The length of a line measured with a 30 m chain is 800.64 m. Afterwards it is found that the chain is 0.05 m too long. The true length of the line is:

1

801.976 m

2

799.305 m

3

801.974 m

4

799.307 m

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