How can you take 2 from 5 and leave 4?
I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?
What animal walks on four legs in the morning, two legs during the day, and three legs in the evening? Oedipus, the king of Thebes, figured out the answer to the riddle:
Complete the following series. It.s very logical: 1, 4, 5, 6, 7, 9, 11, __?
Can you find the next number in the below sequence 3 , 7 , 10 , 11 , 12 , 17 ?
If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?
Can you decipher these quotes by Albert Einstein? Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.
I shave every day, but my beard stays the same. What am I?
Can you circle exactly four of these numbers such that the total is twelve? 1 6 1 6 1 6 1 6 1 6 1 6
Can you find the thief by just looking at the picture below?
There was a strange boy who was born before his father. How can this be possible?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.