in Analytical Aptitude recategorized by
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Four cards lie on table. Each card has a number printed on one side and a colour on the other. The faces visible on the cards are $2,3,$ red, and blue.

Proposition: If a card has an even value on one side, then its opposite face is red.

The card which MUST be turned over to verify the above proposition are

  1. $2,$ red
  2. $2,3,$ red
  3. $2,$ blue
  4. $2,$ red,blue
in Analytical Aptitude recategorized by
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