UPSC Civil Services 2014 Prelims General Studies Paper I

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Question : 8 of 100
 
Marks: +1, -0
Which of the following pairs is/are correctly matched?
   Spacecraft    Purpose
 1.  Cassini-Huygens  :  Orbiting the Venus and transmitting data to the Earth
 2.  Messenger  :  Mapping and investigating theMercury
 3.  Voyager 1 and 2  :  Exploring the outer solarsystem
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