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

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

What can you catch but never throw?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

What has many teeth, but cannot bite?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?