You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?
Tell me the Hindi name of a Vegetable which if we remove 1st word will become a precious Stone and by removing the last word it will become a sweet eatable.
What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?
You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up. In how many different ways you can climb 10 stairs?
What is common among 11, 69, and 88?
Who has married many women but was never married?
Spot the cat in the picture below
What does this rebus riddle mean?
Solve the alphametic puzzle by replacing the alphabet with the number. S T O R M + S O L E S ========= T O W E L =========
My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?
If 21x = 79x, what is the value of x?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.