Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

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

How can you tell a raw egg from a hard-boiled egg?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

A man hijacks an aeroplane transporting both passengers(8 of them) and valuable cargo. After taking the cargo, the man demands nine parachutes, puts one of them on, and jumps, leaving the other eight behind. Why did he want eight?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

Why Aeroplane windows are round?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?