Can you find out the missing number in the grid?
You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?
Solve the counting riddle by identifying the number of triangles in the given picture.
In an office's desk, you find a unique method that shows the current day of the month. Two numbered cubes are used to depict the current date. Can you find out the numbers on both the cubes so that each date can be mentioned using them? Please note that you have to use both the cubes to display any date. Thus the 1st day must be represented by 01 and so on.
By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"
If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?
When is the top of a mountain similar to a savings account?
In which direction should the missing arrow point?
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?
Who always enjoys poor health?
What can you see in the middle of March and April that you can never see in any other month?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.