Who is that with a neck and no head, two arms and no hands? What is it?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

What does Alexander the Great and Winnie the Pooh have in common?

Different lights make me strange by changing me into different sizes. What am I?

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

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

What is the last thing you take off before bed?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?