What has one letter and starts with an E?

What is the Surname of Barbie Doll?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Readers with high attention to detail can spot the mistake in the stack of shoes in 5 seconds. Are you one of them? Test your visual skills now!

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

I have an eye but still cannot see.

Who am I?

Can you solve this picture maths equation?

What has to be broken before you can use it?

Which is the correct shadow of the bird?