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.)

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

I’m tall when I’m young, and I’m short when I’m old. What am I?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

What does this rebus means ?