John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?
Nine marbles are arranged in the image below. Can you slide two marbles to form a square?
What does it mean?
What came first, the chicken or the egg?
What is the word or phrase?
You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely? DONALD +GERALD =ROBERT
What building has the most stories?
Can you find the thief by just looking at the picture below?
What Does this text mean: important=important
You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game. Would you want to play first or second? PS: The sum should be exactly 15.
Decode below three cipher riddles: 26 L of the A 7 D of the W 1000 Y in a M
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.
