What begins with T, ends with T, and has T in it?

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

A blonde put eyeliner on her head. Why?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

What word begins and ends with an E, but has only one letter?

Who has married many women but was never married?

By moving just one matchstick, you need to make the below statement true. Can you do it?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

During a secret mission, an agent gave the following code to the higher authorities
AIM DUE OAT TIE MOD

However, the information is in one word only and the rest are fake. To assist the authorities in understanding better, he also sent them a clue, If I tell you any one character of the code, you can easily find out the number of vowels in the codeword.

Can you find out the code word?

What does this below rebus puzzle mean?