What word begins and ends with an E, but has only one letter?

What is the Surname of Barbie Doll?

Before Mount Everest was discovered, what was the highest mountain in the world?

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?

What has many keys but can’t open a single lock?

What has to be broken before you can use it?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

Which Burger Is Different in below image?

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