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?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

Why is the Hole below a Lock?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

What do you see in the given picture?