What always comes into a house through the keyhole?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

You are driving down the road in your car on a wild, stormy night, when you pass by a bus stop and you see three people waiting for the bus

An old lady looks as if she is about to die.
An old friend who once saved your life.
The perfect partner you have been dreaming about.
Knowing that there can only be one passenger in your car, whom would you choose?

What does the below image rebus riddle means ?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

What can you serve, but never eat?

What is full of holes but still holds water?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?