Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

It belongs to you, but other people use it more than you do. What is 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?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?