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?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

I know a nine-letter word having only one vowel.
Do you ?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

I make two people out of one. What am I?

How can you take 2 from 5 and leave 4?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?