I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?
Which tank will fill first?
I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?
You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?
You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?
The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).
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?
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?
What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?
A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.
In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.
Can you find out how many animals are there in the zoo?
Every words stands for unique digit that makes the arithmetic equation true
SEVEN + SEVEN + SIX = TWENTY.
What are the digits ?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.