Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

A man plots the murder of his wife. His plan is full proof. Nobody saw them leaving their house. He stabbed her with a knife while driving. She died on the spot. He threw her body in a valley. He threw the knife carefully wiping his finger prints on a random garbage bin. Then he went back to his home and no one was watching him this time as well.

After an hour, he was called by the local police department who informed him that his wife was murdered. They asked him to reach the scene of crime immediately. But as soon as he arrived at the crime scene, he was arrested by them.

How did the police know that he himself is the murderer?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

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

Can you solve the rebus below?

Count the number of lines in the image below ?

The more it dries, the wetter it becomes. Can you tell what it is?

Can you place three balls such that the equation shown in the picture holds true?