Solve below rebus puzzle?

What breaks yet never falls, and what falls yet never breaks?

What occurs twice in a week, once in a year but never in a day?

Why do Chinese men eat more rice than Japanese men do ?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

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

What is the next shape from answers A, B, C, and D figure?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?