What is black when you buy it, red when you use it, and gray when you throw it away?
What is the fastest way to double your money?
While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.
How will he do it?
Can you write down eight eights so that they add up to one thousand?
Replace the question mark with the correct number.
2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?
Who is that with a neck and no head, two arms and no hands? What is it?
On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.
Who is the youngest?
Two old friends, Jack and Jill, meet after a long time, and discussing as:
Jack: Hey, how are you, man?
Bill: Not bad, got married and I have three kids now.
Jack: That's awesome. How old are they?
Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.
Jack: Cool..But I still don't know.
Bill: My eldest kid just started taking piano lessons.
Jack: Oh, now I get it.
How old are Bill's kids?
One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.
I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?
What is so fragile that saying its name breaks it?
To tease, King Akbar told his most clever advisor Birbal to give his daughter one thing that she can eat when hungry, drink if she feels thirsty and can burn if she feels cold. King Akbar was shocked when Birbal gave Akbar's daughter one such thing that satisfies all of the above.
What did Birbal give to Akbar's daughter?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.