Every day, a man crosses the border of Mexico on a bicycle with two bags of sand.
The custom officers check his bags and they are full of sand. The custom officers are aware that he is smuggling something but are not sure what is it exactly. As they do not have any evidence, they let him cross the border.
What is he smuggling?
Riddle AnswerI went to bed at eight o’clock in the evening and wound up my clock and set the alarm to sound at nine o’clock in the morning. How many hours sleep would I get before being awoken by the alarm?
Riddle AnswerAn evening theater performance is scheduled every third day. What is the maximum number of performances that can take place over a 25-day period?
Riddle AnswerYou have three boxes. One has only red marbles, one has only blue marbles and the third has an equal number of red and blue marbles. The labels on the boxes have intentionally been switched so that each box is now marked incorrectly.
Your job is to relabel the boxes correctly. Of course you could just look in the boxes to find out which labels match, but can you do it without looking into each box? Reach into any one of the boxes and select one marble. Can you now correctly label all three boxes? If not, select a second marble from any box. What is the fewest number of marbles you need to inspect in order to correctly label each box?
Riddle Answer