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

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.

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

How many letters are in the alphabet?

Which Burger Is Different in below image?

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

Which is the correct shadow of the bird?

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

What Am I?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

What month of the year has 28 days?