why number 8549176320 is one of a kind?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

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?

What is the fastest way to double your money?

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?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

I add 5 to 9 and get 2. The answer is correct, so what am I?

Identify The phrase in the picture.

What word does this rebus represent?

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