What two things can you never eat for breakfast?
I have lakes with no water, mountains with no stone and cities with no buildings. What am I?
A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?
John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?" While Bella does not know the answer, do you ?
2, 3, 5, 9, 17, _ What is the next number in the sequence?
Can you find the 09 errors in the picture below?
A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!†Who is the man in the portrait?
Can you find out what is missing? 1 3 5 2 4 ? Hint: It's not six. Think out of the box.
I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60. One of them is 20+20+20. whats the other way ?
Move four matchsticks to the below square to form three squares?
Count the number of squares in the picture below.
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.