What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

I have teeth but i don't bite. Who Am I ?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

Find out the number of circles in the given picture having Illusion

Can you find the company name in the pictogram below?

Can you find the thief by just looking at the picture below?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

Can you solve below mathematical equation?

2^1234 - 2^1233

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?