I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

What Deficiency does the below rebus represent?

VIT_MIN

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

There are three boxes on a table. One of the box contains Gold and the other two are empty. A printed message contains in each box. One of the message is true and the other two are lies.

The first box says "The Gold is not here".

The Second box says "The Gold is not here".

The Third box says "The Gold is in the Second box".

Which box has the Gold?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

What is the difference between a jeweller and a jailer?

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

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

What breaks yet never falls, and what falls yet never breaks?