What is common among 11, 69, and 88?
A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible? PS: It has a logical answer.
A quarter is one-fourth of a dollar but Mr. John has changed the equation as below : DOLLAR * 4 = QUARTER Can you replace each letter with a digit to make the above solution correct?
Can you find the 09 errors in the picture below?
Can you decipher the following common phrase? T M C A U O H S M W T E
Can anyone tell me a word in the English dictionary which has a silent 'z'?
In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?
How can you drop a raw egg from a height onto a concrete floor without cracking it?
Luis Garavito killed Density x Volume. Who is Luis Garavito ?
what does the below math rebus puzzle mean?
What goes up but never comes down?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
