What does below rebus means ?

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?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

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

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

Can you Find and name the hidden bird in the picture below ?

What can you serve, but never eat?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?