If a wheel has 54 spokes, how many spaces are there between the spokes?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?

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

what does the below rebus means?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What Adam and Eve do not have but the rest of the people have?

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?