No one wants to have it, but if one got it, he does not want to lose it. What is It?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Can you find any error in the following sentence?

A taxi was standing outside a fort at night. A man came out of the fort, opened the gate and hit the taxi driver killing him instantly. He took all the money out of the meter and started running till he was caught by a local sheriff.

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

Can you count the number of children in the picture below

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

I can be cracked, made, told, and played. What am I?