What work can one never finish?
What is black when you buy it, red when you use it, and gray when you throw it away?
If a wheel has 54 spokes, how many spaces are there between the spokes?
It is always ahead of me yet I can never see it. What is it?
What is the word or phrase?
Check out the number list below and find what number comes next in the sequence. 111 , 113 , 117 , 119 , 123 , 137 , ?
Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol? 19834 -----: 187 15921 -----: 153 17561 -----: 139 13734 -----: ???
What does this Rebus Picture means ?
Count the squares in the matchstick puzzle below?
John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass. What did the boy do?
Look at this sequence from top to bottom. What is the next number in the sequence? 1 11 21 1211 111221 312211
Artificial Intelligence has crushed all human records in the puzzle game “2048,” achieving a high score of 839,732 and beating the game in only 973 moves without using any undo.
