The Real Thing

Car Park Number PuzzleI stumbled across the above puzzle the other day. What is the number underneath the car?

Don’t worry if you don’t get it – you won’t be alone.  I had the problem up on the board as a starter for my Upper Sixth A-Level class. The lad who is on course to get an A* – he couldn’t work it out.

And lo and behold, a couple of days into the hols I came across a the real thing – an actual example of the above problem.

Here’s a pic. The question is, what is the number of the parking bay that the car on the left is parked in?

Car park number pattern puzzle

(Still stuck? Want to know the answer? Click on the “responses” below and read the comments)

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  1. Rob Bath
    Posted 02/04/2015 at 10:26 pm | Permalink


    • A Maths Teacher
      Posted 03/04/2015 at 8:30 am | Permalink

      Well done Rob – you are correct!

      Can you explain why?

One Trackback

  • By And so it begins.. | trivialfactor on 12/04/2015 at 11:43 pm

    […] SPOILERS: The missing number is 87 🙂 I was at it for a good 10 minutes before my brother rather coyly snatched his phone and flipped the picture upside down. It’s easy now isn’t it! I really liked the problem as it made me think outside the box. And hopefully it’ll do the same for students during a starter activity when I go back to school. I’m not the only teacher who liked it either! After showing people on the #mathsTLP my attention was directed to this blog. […]

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