What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

Count the Triangle in the figure given below:

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

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.

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Count the number of squares in the picture below.

What 5-letter word typed in all capital letters can be read the same upside down?

Peter wakes up daily to pick up his cycle and crosses the border between Spain and France daily with a bag on his shoulder. He is investigated daily by the officials but they don't find anything suspicious.

If we tell you that he is smuggling something what would it be?

Take one out and scratch my head, I am now black but once was red. What am I?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?