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

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

How is a fly different from a mosquito?

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

No one wants to have it, but if one got it, he does not want to lose it. What is It?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

In the image below, can you find the value of an angle(y)

Mr Black, Mr Gray, and Mr White are fighting in a truel. They each get a gun and take turns shooting at each other until only one person is left. Mr Black, who hits his shot 1/3 of the time, gets to shoot first. Mr Gray, who hits his shot 2/3 of the time, gets to shoot next, assuming he is still alive. Mr White, who hits his shot all the time, shoots next, assuming he is also alive. The cycle repeats. If you are Mr Black, where should you shoot first for the highest chance of survival?

Spot 5 differences in two Christmas tree below: