How do you go from 98 to 720 using just one letter?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

What two things can you never eat for breakfast?

Find the Goldfish below the given Image.

With the help clues provided in the image, can you find the 5 digit key?

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.

By using 'because' continuously three times, can you make an English statement ?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

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