Question 8
Elliot collects soccer trading cards. The cards in his collection are of certain colours, and some cards have features that may affect their trading value. Elliot knows the following to be true:
• Every blue card has the player's autograph, and they are all a bit worn but rare and valuable; red cards are common, and most of the soccer trading cards in Elliot's collection are red; gaiucards are also common, and some green cards in Elliots collection are worn and not Elliot needs some money, so he decides to sell a few of his blue cards. He starts flipping through his card collection, but the lights suddenly go out and he drops the cards on the floor. Feeling around in the dark, Elliot finds a card. The card feels brand new.
Which of the following conclusions is necessarily true?
• The card is not blue.
• The card is green.
• The card is not common.
• The card is valuable.
• The card is not red.
• Cannot say based on the information given.
• I will leave this question unanswered
Submit your answers.
