If you say my name, I will no longer exist. What am I?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

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

Which is the correct shadow of the bird?

Do You See It?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Can you write down eight eights so that they add up to one thousand?

How many sides does a circle have?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?