Can you decipher the following common phrase?

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

Can you tell a 3D object that has just two surfaces?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?