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.)

I know a nine-letter word having only one vowel.
Do you ?

Can you spot the hidden girl in the picture below?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

You can see it everyday, But cannot touch it at will. What is it?

What is wrong in the below Picture?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?