Where do you go to learn how to make ice cream?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

Which Travels Faster? Solve below famous picture riddle:

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

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.

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

I have branches, but no fruit, trunk or leaves. What am I?

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?

Why blonde cannot dial 911?

A bomb exploded in a room full of married couples and no one died. How?