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.)

What kind of tree can you carry in your hand?

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

what does this below rebus represent identXQQQQQME

what one word does the below rebus identifies?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

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?

Which digit occurred maximum times between the number 1 and 1000?