Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Move three sticks of the spiral below to form a square.

What number when divided in half becomes zero?

What do you see in the image below

Imagine you are in a room with no windows or doors. How will you get out?

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

The more you take me, the more you leave me behind.
Who Am I?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

A bank customer had $100 in his account. He then made 6 withdrawals. He kept a record of these withdrawals, and the balance remaining in the account, as follows:

Withdrawals Balance left
$50 $50
$25 $25
$10 $15
$8 $7
$5 $2
$2 $0
----- -----
$100 $99

Why are the Totals not tallying?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?