Can you solve the photo plexer logic ?

Which of the below owl is odd one out?

Can you count the number of matches in the picture below ?

Solve below rebus puzzle?

Why Aeroplane windows are round?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

What is the end of everything?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?