why number 8549176320 is one of a kind?

What has one eye, but can’t see?

Readers with excellent focus can find three differences between the camping scene pictures in 16 seconds. Can you? Test your eye power now!

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Readers with the eyes of a hunter can find the snake in the field. Can you? Test your puzzle-solving skills now!

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

John's five friends Rachel, Jacob, Phoebe, Joey and Chandler live on the same road.

Rachel lives in the house: A, Jacob lives in the house: B, Phoebe lives in the house: C, Joey lives in the house:D, Chandler lives in the house: E

Mathematically
B*C*D = 1260
B + C + D = 2E
2A = E

The road numbers run from 2 to 222.

Can you tell me the house number of each of John's friends?

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

Can you count the number of squares in the figure below?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?