I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?
What month of the year has 28 days?
You knock a Table over in the library, and suddenly 20 eyes are looking at you.
How many Watermelons are there in the below picture?
Nine marbles are arranged in the image below. Can you slide two marbles to form a square?
I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?
Count the number of balls in picture below:
'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?
You need to move three matchsticks to form three squares. Can you do it?
What is always in front of you but can’t be seen?
What has no start, end, or centre?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.