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

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

If 1+9+8=1, what is 2+8+9?

Who always enjoys poor health?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

What is always in front of you but can’t be seen?