What has one letter and starts with an E?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

What is the longest word in the dictionary?

Solve the mathematical equation in the picture below.

A father's child, a mother's child, yet no one's son.

Who am I?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Find the missing number in the sequence below:

Lady Gaga is pregnant and currently has 6 daughters

1. Dorry 2. Rebeka 3. Michael 4. Faniya 5. Sophia 6. Lavanya

What will she name her next child girl? (Think Logical)

A. Neema B. Tanya C. Tisha D. Jenniffer

What's a single-digit number with no value?