Card Hypothesis

FACT: Each card has a number on one side and a letter on the other.
HYPOTHESIS: Every card that has a vowel on one side has an even number on its opposite side.
THE TEST: Which card or cards must you turn over in order to test the Hypothesis?

card-puzzle1

Type your answer in the Reply field below and Save.
The 15 possible answers are:

All four cards: A B C D
Three cards: A B C / A B D / A C D / B C D
Just two cards: A and B / A and C / A and D / B and C / B and D / C and D
Just one card: Card A only / Card B only / Card C only / Card D only

About davidbdale

Inventor of and sole practitioner of 299-word Very Short Novels. www.davidbdale.wordpress.com
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19 Responses to Card Hypothesis

  1. mrmba1 says:

    A and C

    Like

  2. capched says:

    Just two cards: A and C

    Like

  3. johnwick66 says:

    you will need to flip 2 cards. B and C. B needs to be an even number when flipped and C needs to be a vowel when flipped in order to prove the hypothesis.

    Like

  4. icedcoffeeislife says:

    It just cards A and C

    Like

  5. compiistudent says:

    Card C, Card A, Card D, Card B

    Like

  6. imgoingswimming says:

    Just A and C

    Like

  7. carsonwentz1186 says:

    All Four

    Like

  8. justheretopass says:

    just A and C

    Like

  9. person345 says:

    Cards B and C

    Like

  10. johnwick66 says:

    you will need to flip 2 cards. A and C. A needs to be an even number when flipped and C needs to be a vowel when flipped in order to prove the hypothesis.

    Like

  11. kobebryant32 says:

    A and C

    Like

  12. honeysucklelilac says:

    a and c

    Like

  13. thecommoncase says:

    All of the cards

    Like

  14. davidbdale says:

    Huh. Nobody said A and D.

    Like

  15. chickendinner says:

    Card A and Card D

    Like

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