Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

I have branches, but no fruit, trunk or leaves. What am I?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

What four weights can be used to balance from 1 to 30 pounds?

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?

Solve the following series:
AZ, GT, MN, __, YB

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?