Surveying
The declination and right ascension of the sun becomes 23° 27' S and 270° respectively on

June 21
September 21
March 21
December 22

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Surveying
For a line AB

the forebearing of AB and back bearing of BA differ by 180°
the forebearing of AB and back bearing of AB differ by 180°
both (A) and (B) are correct
none is correct

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Surveying
Pick up the correct statement from the following. The difference between the longitudes of the places is obtained.

By subtracting their longitudes if places are in the same hemisphere
By subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres
By adding their longitudes if places are in the different hemispheres
All of these

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