Decode this picture on T-Shirt and tell what it says ?

What can go up a chimney down, but can’t go down a chimney up?

In the picture given below, can you find out which digit will take place of the question mark?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

Rearrange the letters in "new door" to make one word.

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What's the only room from which no one can enter or leave

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

What has hands, but can’t clap?