A boat has a ladder that has 6 rungs that are 12 inches apart. The tide moves up 12 inches every 15 minutes, it is now one hour until high tide. The very edge of the ladder is in the water. How many rungs will be under water all the way at the highest point of high tide?
A murderer is condemned to death. He has to choose among three rooms. The first is full of raging fires, the second is full of assassins with loaded guns, and the third is full of lions that haven't eaten in 3 years. Which room is safest for him?
Two men went to a pet store to buy a puppy. The first man paid $10 and the clerk asked him if he would like a poodle, a labrador, or a golden retriever. The man chose a poodle. The other man gave the clerk $10. The clerk gave the man a golden retriever. The clerk and man both said nothing. How did the clerk know what the man wanted?
A farmer has a sack of grain, a chicken and a fox. He has to get them across the river and he can't go around or fly but he does have a boat. He can only take one thing at a time across the river. How can he get them across?
You're in a room with 3 light switches. Next to your room is another room with the door closed. Inside that room are 3 lights. You do not know which switch controls which light. How can you figure out which switch controls which light? You can only enter the room with the lights once.