Can you decipher the following common phrase?

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

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

A man dies of old age on his 25 birthday. How is this possible?

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?

What two things can you never eat for breakfast?

What makes this number unique: 8,549,176,320?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?