What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

In which direction should the missing arrow point?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

How many bananas can you eat if your stomach is empty?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Can you solve the below geography rebus by decoding the below rebus ?

I have feet, but no legs. Which animal Am I?

Find the next number in the sequence

1, 2, 6, 21, 88, __?