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

Before Balboa discovered the Pacific Ocean, which was the largest ocean before that?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

I drive at an average speed of 30 miles per hour to the railroad station each morning and catch my train. On a particular morning, there was a lot of traffic and at the halfway point, I had averaged only 15 miles per hour. How fast must I drive for the rest of the way to catch my train?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

When can we add 2 to 11 and get 1 as the correct answer?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?