What has many keys but can’t open a single lock?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

If eleven plus two equals one, what does nine plus five equal?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

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?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

What has to be broken before you can use it?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What demands an answer, but asks no questions