In the four images below, can you find the odd one out?

What is both possible and impossible at the same time?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

What can go up a chimney down, but can’t go down a chimney up?

There are three light switches outside a room. One of the switches is connected to a light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.

You are allowed to set each switch the way you want it and then enter the room(note: you can enter the room only once)

Your task is to then determine which switch controls the bulb?

What seven-letter word has hundreds of letters in it?

Which is the smallest number that you can write using all the vowels exactly once?

what one word does the below rebus identifies?

No one wants to have it, but if one got it, he does not want to lose it. What is It?