How can you make number one disappear by adding something to it?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

Can you find out which options fits best with the missing column?

What is the word or phrase?

What can go up a chimney down, but can’t go down a chimney up?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?

How far can you walk into the woods?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.