Discussion of Question with ID = 050 under Deductive-Reasoning

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Question

  1. A torch is useful.
  2. Useful things are costly.
  3. A torch is costly.

If the first two statements are true, the third statement is.

A

true.

B

false.

C

uncertain.

D

none.

Soln.
Ans: a

Since torch is useful, it should be costly.


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