Q. Consider the following:
  1. Prime Meridian passes through the Royal Observatory, Greenwich
  2. Prime Meridian has latitude of 180°
  3. Prime Meridian is otherwise known as International Date Line
Which among the above is / are correct?

Answer: Only 1
Notes: The Prime Meridian passes through the Royal Observatory in Greenwich, England, and is the line of 0 degree longitude from which other longitudes are calculated. It does not have a latitude of 180 degrees nor is it known as the International Date Line - that is the line of 180 degrees longitude. Thus, only the first statement is correct.

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