Solve the puzzle by telling what does below picture means.

Can you find out which options fits best with the missing column?

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

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

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

Can you find out the number that should replace the question mark with a valid reason?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

What does Alexander the Great and Winnie the Pooh have in common?

What is so fragile that saying its name breaks it?