The square root of number 121 is "11". What is the square root of the number "12345678987654321."?
Find the Next Number in the Sequence 2 9 3 1 8 4 3 6 5 7 ?
Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?
Can you name four days which start with the letter 'T'?
Here is a mathematical expression that also secretly tells a movie name. What movie is that?
I have feet, but no legs. Which animal Am I?
What is both possible and impossible at the same time?
It belongs to you, but other people use it more than you do. What is it?
The following alphametic has only one solution. Can you find it? ENLIST + SILENT + LISTEN = ANAGRAM PS: You may start the number from 0.
John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?
Solve the rebus riddle in the picture below.
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
