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.)

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Can You Find the Missing Zero? A Number Puzzle that Will Trick Your Eyes

The UN Security Council has how many member states?

a) 15
b) 10
c) 20
d) 25

Spot 5 differences in two Christmas tree below:

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?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

Readers with excellent visual skills can find three differences between the pictures of a rabbit and a fox in 11 seconds. Can you? Test your attentiveness now!