Who can jump higher than a Mountain?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

How can a man go eight days without sleep?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

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?

Can you solve the below geography rebus by decoding the below rebus ?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

What has a bottom at the top?

what one word does the below rebus identifies?