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Q: The two methods for calculating the reduced levels of points, the height of collimation and the other is :
  • A. Height of instrument/उपकरण ऊँचाई
  • B. Simpson's method/सिम्पसन विधि
  • C. Trapezoidal rule/समलम्बकार नियम
  • D. Rise and fall method/चढ़ाव-उतार विधि
Correct Answer: Option D -
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Explanations:

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