Each card has a number on one side and a letter on the other. Test the following hypothesis: "If a card has a vowel on one side,then it has an even number on the other side." Which 2 cards do you turn? Read the hypothesis carefully!
A.
A
B.
B
C.
2
D.
7
2.
On an island, there only live knights, who always tell the truth, and knaves who always lie. You meet two islanders named John and Bill. John says, "Both Bill and I are knaves." Which of the answers must be true?
A.
Both are knights.
B.
John is a knight, Bill is a knave.
C.
John is a knave, Bill is a knight.
D.
Both are knaves.
3.
There are 5 chocolate pieces to choose from. One of them is marked "poisoned". You alternate turns with another player. At every turn the player has to eat either 1 or 2 chocolate pieces. The player who eats the marked poisoned piece of chocolate (the last piece left) loses. You are the first player, how many pieces do you take?
A.
1 chocolate
B.
2 chocolates
C.
No way to win
4.
There aare 3 boxes and only one of which has a car in it. If you select the correct box,you can keep the car! On each box there is a statement, but only one of these statements is true. Where is the car?
