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R2D2 is a robot. R2D2 can repair aeroplanes. No other robot can repair aeroplanes. Which of the following can be logically inferred from the above statements?

  1. R2D2 is a robot which can only repair aeroplanes.
  2. R2D2 is the only robot which can repair aeroplanes.
  3. R2D2 is a robot which can repair only aeroplanes.
  4. Only R2D2 is a robot.
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Option A and C, say same thing - R2D2 can repair only Aeroplanes $-$ no other things it can repair. There is no mention in the passage about other tasks that R2D2 can perform. This makes options A and C false.

But the passage says that R2D2 is the only robot which can repair Aeroplanes.

No other robot can repair aeroplanes.

So, option B can be directly inferred from the passage.

Also this passage does not state that there others robots does not exist. This makes statement D false.

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From statement 2 and 3 in the given passage, it can be inferred that only robot R2D2 can repair aeroplanes. Nothing is said about other things R2D2 can do.

So, logically only option B can be inferred.

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