What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?
Bopanna was working on a murder case when he received a message about the location of the murder weapon. The message was encrypted as below. "deb mitciv eht edisni neddih si nopaew redrum ehT" Tell me the location of the murder weapon.
Always in you, Sometimes on you; If I surround you, I can kill you. What am I?
Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.
The centre of the third figure is empty. What digit should fit inside?
If nine thousand, nine hundred nine dollars is written as $9,909, how should twelve thousand, twelve hundred twelve dollars be written?
Can you count the number of triangles inside a triangle?
How high do you have to count before you use the letter “a†in the English spelling of the whole number?
Take 9 from 6, 10 from 9, 50 from 40, and leave 6. How Come ??
Which wheel of car does not rotate when you turn your car right?
What does this simple rebus mean?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.