Using Only Five 5's and any mathematical operator make sum as 37
You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.
Find the number of squares in the below-given picture.
What is both possible and impossible at the same time?
What word begins and ends with an E, but has only one letter?
How is the moon similar to a dollar?
I have an apple tree , number of apple in this tree get doubles every week. On 30th week , the tree gets completely filled with apples :-) Can you tell me , on what week does my tree is half covered with apples ?
Find The Next Number in this series. 1, 2, 6, 42, 1806 ?
What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?
What is the word or phrase?
What can jump higher than a building?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.