I am quite hot but become too cold if you remove the first two letters. What am I?
You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?
Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?
You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up. In how many different ways you can climb 10 stairs?
Count the number of triangles in the picture below:
Can you count the number of lines in the below picture?
Which is heavier: a ton of bricks or a ton of feathers?
Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?
When monkey rotate the gear, which mark will be hit 1 or 2 ?
What can you hold in your right hand, but never in your left hand?
Why Wine Glass Stem is so long?
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.