The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The latitude of the place, is
A. 80°
B. 70°
C. 60°
D. 40°
Answer: Option D
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Which of the following methods of contouring is most suitable for a hilly terrain?
A. Direct method
B. Square method
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D. Tachometric method
A. 750 mm × 900 mm
B. 600 mm × 750 mm
C. 450 mm × 600 mm
D. 300 mm × 450 mm
A. 22° 30'
B. 23° 27'
C. 23° 30'
D. 24° 0'
110+70=180
110-70=40
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