Surveying
A star may culminate at zenith if its declination is

None of these
Equal to the latitude of the place
Less than the latitude of the place
Greater than the longitude of the place

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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 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
By subtracting their longitudes if places are in the same hemisphere

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