What brings you down but never up?
This is a classy optical illusion puzzle. What more you can find except bricks in the image below?
What is the difference between a jeweller and a jailer?
Which is the rope you never skip with?
The square root of number 121 is "11". What is the square root of the number "12345678987654321."?
I throw two dice simultaneously. What is the probability of getting a sum as 9 of the two numbers shown?
0 0 0 = 6 1 1 1 = 6 2 2 2 = 6 3 3 3 = 6 4 4 4 = 6 5 5 5 = 6 6 6 6 = 6 7 7 7 = 6 8 8 8 = 6 9 9 9 = 6 You can use any mathematical symbols in the space provided to make all above algebraic expressions true.
If nine thousand, nine hundred nine dollars is written as $9,909, how should twelve thousand, twelve hundred twelve dollars be written?
Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L. Can you find an "ology" that begins with a P?
What is harder to catch the faster you run?
Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word. For example, the word "rdo" can be formed into "pardon". Using the same technique, can you complete the given words? ecalc airb rinci tibac uidel gorit igna eyho
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.