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

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

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

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

What is the Surname of Barbie Doll?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

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

I am white when I am dirty, and black when I am clean. What am I?