Identify the 10 differences between the two given pictures.

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

It is always ahead of me yet I can never see it. What is it?

Replace the question mark with the number below given a simple math problem.

A man dies of old age on his 25 birthday. How is this possible?

Solve the counting riddle by identifying the number of triangles in the given picture.

What is wrong in the below Picture?

Solve the following series:
AZ, GT, MN, __, YB

What country can make you shiver?