Logic
1131 riddles
Riddles that derive from deduction and logical thinking.
A snail is at the bottom of a 20 meters deep pit. Every day the snail climbs 5 meters upwards, but at night it slides 4 meters back downwards. How many days does it take before the snail reaches the top of the pit?
Of all the numbers whose literal representations in capital letters consists only of straight line segments (for example, FIVE), only one number has a value equal to the number of segments used to write it.
Which number has this property?
Which number has this property?
In the Tour de France, what is the position of a rider, after he passes the second placed rider?
There were an electrician and a plumber waiting in line for admission to the Home Show. One of them was the father of the others son. How could this be possible?
A murderer is condemned to death. He has to choose between 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?
Which word is the odd one out:
First, Second, Third, Forth, Fifth, Sixth, Seventh, and Eighth.
First, Second, Third, Forth, Fifth, Sixth, Seventh, and Eighth.
Even if they are starving, natives living in the Arctic will never eat a penguin's egg. Why not?
A doctor gives you three pills and tells you to take one every half an hour. How long will the pills last?
