Always in you, Sometimes on you; If I surround you, I can kill you. What am I?
The measurement of time, That can't be found on a clock, But can be looked upon on a map. Who is He ?
If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following: 21 Q 7 R 9 S 10 P 13
The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels. RDSH GGPLNT TMT NN Hint: All of them are vegetables.
There are five vowels (a, e, i, o, u) in the English language. Can you tell us a word that contains all these vowels?
There are six people in a family namely M, N, O, P, Q and R. R and O are brother and sister. N is the brother of Q's husband. P is the father of M and grandfather of R. How many male members are in the family?
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?
A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?
A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?
The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?
What is both possible and impossible at the same time?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.