A dumpy level was set up at mid-point between pegs A and B, 80 m apart – McqOptions

MCQOPTIONS

1.	A dumpy level was set up at mid-point between pegs A and B, 80 m apart and the staff readings were 1.32 and 1.56. When the level was set up at a point 10 m from A on BA produced, the staff readings obtained at A and B were 1.11 and 1.39. The correct staff reading from this set up at S should be
A.	1.435
B.	1.345
C.	1.425
D.	none of these.
Answer» C. 1.425

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