# [Maths-Education] Cryptic QAA problem.

**Scott Keir**
scottk@mathsyear2000scotland.org.uk

*Thu, 2 Nov 2000 17:46:27 +0000 (GMT)*

Hello
On Thu, 2 Nov 2000, Paul Ernest wrote:
>* Think of a number between 1-24. Call it X. Add 7. Double
*>* it. Multiply by three. Add 200. subtract 98. Divide by 6.
*>* Subtract X. What's the answer? Understand?
*
Have I missed the thread here? Is this an answer or a question?
The answer appears to be 24 every time.
[(6(x+7) + 102)/6 - x => x+7 + 17 -x => 24]
I don't know why it says only pick numbers from 1-24: is this meant to be
grounded in reality?
Scott
Scott Keir
Maths Year 2000 Scotland
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