Which fur should we be getting from the Lion?

How is a fly different from a mosquito?

Rearrange the letters in "new door" to make one word.

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

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 red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

How many words can a pen with half refill write?