If you say my name, I will no longer exist. What am I?

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

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

A man was convicted of a minor offence in Akbar court. Akbar decided to give him a chance. He asked him to give a statement. If the statement is true, he will be killed by lions and if it is false, he will be killed by trampling of wild elephants.

The convicted person requested help from Birbal and since the crime was not a big one, Birbal decided to help him. Whatever Birbal suggested impressed Kabir and he let the convicted person go.

What did Birbal suggest to the person?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?