Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

What can you hold in your right hand, but never in your left hand?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

81 x 9 = 801. What must you do to make the this equation true?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

I have no life, but I can die. What am I?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Detective Rockford was jogging near the beach at 4:30 am.
He hears a sound near the shack "No Michael, Please Do not shoot me".
Next instance he heard the sound of gunfire. Rockford rushes to the shack where he finds women lying dead and a gun in close proximity of three "Doctore Lawyer and a Teacher".

Rockford immediately knew that the Lawyer has committed the crime. How?

You can see it everyday, But cannot touch it at will. What is it?