I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

I am quite hot but become too cold if you remove the first two letters. What am I?

How can you leave a room with two legs and return with six legs?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

I can be cracked, made, told, and played. What am I?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?