Why do you find that most of the buildings are deprived of the 13th floor?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

What seven-letter word has hundreds of letters in it?

What kind of storm is always in a rush?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

How is the moon similar to a dollar?

Can you name four days which start with the letter 'T'?

Which part of London exists in France as well ?

What's the best place to go shopping in the ocean?

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?