what does the below rebus means?

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

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

What does below chemistry rebus means?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

The Little ant seems to be always confused. Do you know why?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

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?