What does this simple rebus mean?

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

What does a man do only once in his lifetime, but women do once a year after they are 29?

Can you find out who is the kidnapper in below Picture and why, Explain ?

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log.

Can you calculate the weight of the entire wooden log?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

Buy me, smell me or deliver me, I do not change.

Who am I?

There is something which you can be arrested for attempting but not for successfully completing.