What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

O_er_t_o_

Complete the missing letters of the given word.

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

If eleven plus two equals one, what does nine plus five equal?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

I am the fastest animal but cannot climb the tree. What am I?

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’m orange, I wear a green hat and I sound like a parrot. What am I?