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

There are 3 apples in the basket and you take away 2. How many apples do you have now?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

A Detective reviewed the information they had on the case so far.

A lady named 'Caterina' was found shot and they already had a list of suspects - Ankit, Tarun, Harish, Manoj and Manish.
The killer is a fan of challenges him by leaving notes ad various places.
* The first was found in a toilet room.
* The second was found in an art room.
* The third was in a restroom.
* the fourth in an underwater room.
* The fifth at the no-smoking room.

All of the notes read the same thing, 'The clues are where you find the notes.' Yet, nothing was found at any place the notes were.
Detective the genius, immediately solved the case.
Who was the killer?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Which alphabet is a part of our body?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

What is the end of everything?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?