Discussion of Question with ID = 038 under Deductive-Reasoning

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Question

  1. Gold has more carbon than silver but less carbon than copper.
  2. Silver has more carbon than zinc but less carbon than copper.
  3. Of the three kinds of elements, zinc has the least amount of carbon.

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

A

true.

B

false.

C

uncertain.

D

none.

Soln.
Ans: a

From the first statement, we know that copper has more carbon than both gold and silver. From the second statement, we know that zinc has less carbon than both gold and silver. Therefore, zinc has the least amount of carbon.


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