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UPSC Prelims 1992Question 21Geography

If Amsterdam is X + 1, Montreal is X 5, Tokyo is X + 9 and Lisbon is X, X denotes

Options

  1. (a)GMT
  2. (b)The temperature as measured by the Kelvin scale to arrive at the temperature as measured by the Celsius s
  3. (c)Base from which height and depth from the sea level is measured
  4. (d)The figure to be used for converting the Imperial System to the Metric System

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