What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Take away the whole and some still remain. What is it?

Next Number in the Series,

5, 16, 49, 104, ?

John was drowned by he was not wet. How?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits