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

We know that money can be names differently for the purpose it is used for. Some of the examples of money given at following places or for following activities:

In temple = Daan
In school = Fees
During marriage = Dowry
For divorce = Alimony
Paying government = Tax
In court = Fine
Employer to employee = Salary
To kidnappers = Ransom
For illegal reason = Bribe
To civil servant retirees = Pension

Do you know what do we call the money a husband gives to his wife?

In a guessing game, five friends had to guess the exact numbers of apples in a covered basket.
Friends guessed 22, 24, 29, 33, and 38, but none of the guesses was correct. The guesses were off by 1, 8, 6, 3, and 8 (in random order).

Can you determine the number of apples in a basket from this information?

what does the below math rebus puzzle mean?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?