How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

How can you leave a room with two legs and return with six legs?

What has 13 hearts but no other organs?

What occurs twice in a week, once in a year but never in a day?

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?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?

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

The day after tomorrow will be three days before Tuesday. Can you find out what is today?