Give it food and it will live; give it water and it will die.
There is a square of a particular number which when doubled, becomes 7 more than its quarter. Can you find the number?
Find the missing number in the image below.
John is selling fruits. He sells grapes at $30, Dates $25, and a Wolfberry $45. At what price does he sell fig? PS: Logical Thinking
What has lots of eyes, but can’t see?
What has to be broken before you can use it?
Why is a river so rich ?
What has many keys but can’t open a single lock?
If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?
A pond had 60 fish, out of which, all but 20 died. How many fishes are now present in that pond?
How many triangles can you find in this given picture?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
