Everyday Things

The Lost Change

I read this brain teaser in a magazine recently, and I found it very interesting. Good for a brain exercise on a Thursday morning, so I’m going to share it with you now.

Let me know if you have the answer. Enjoy!

Three aunties go to a nearby coffee shop. They order breakfast sets that cost them $15. They each contribute $5 when the waiter collects money from them.

The coffee shop owner, who is friends with the aunties, asks the waiter to return them $5. In need of cash, the waiter decides to give them $1 each and pockets the remaining $2.

So, do you get the picture here? And now, the question comes…

If each of the auntie effectively paid $4, their total amount would be $12. Add the $2 that the dishonest waiter pocketed and you have a total of $14.

Where has the other $1 gone from the original $15?

Let’s think! 

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2 Comments

  • Reply
    Josy
    August 26, 2010 at 12:00 PM

    auntie get back $1 each x 3 = $3

    auntie paid $4 each x 3 = $12
    Waiter pocketed $2
    Owner keep $15 – $5 = $10

    So there is no $1 or money gone at all

    Hope I dun confuse you further

    • Reply
      Emily
      August 26, 2010 at 1:35 PM

      Hi Josy,
      You r right. That’s the correct answer.

      The owner gets $10 plus the $2 pocketed by the waiter = total $12
      Three aunties paid $4 each = total $12

      There is no missing $1. 🙂

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