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GATE CE 2024 Set 2 — Question 32

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MCQ+1 / -0.33EasyTheory of ErrorsErrors & AdjustmentGeomatics Engineering

Geomatics Engineering → Errors & Adjustment → Theory of Errors

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To finalize the direction of a survey, four surveyors set up a theodolite at a station P and performed all the temporary adjustments. From the station P, each of the surveyors observed the bearing to a tower located at station Q with the same instrument without shifting it. The bearings observed by the surveyors are 30o30′00′′30^o 30' 00'', 30o29′40′′30^o 29' 40'', 30o30′20′′30^o 30' 20'' and 30o31′20′′30^o 31' 20''. Assuming that each measurement is taken with equal precision, the most probable value of the bearing is
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