Norman Dunn's 'Hebburn and our Neighbours Forum'

Norman Dunn's 'Hebburn and our Neighbours Forum'
[ Norman Dunn's 'Hebburn and our Neighbours Forum' ]

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Bit of fun for holiday Monday

Posted by Llyn Green on 5/5/2025, 7:34 pm

A little bit of maths for you to try, use your calculator if you need to.

It's in two parts.

Work out your answer in this thread, then post it the thread above ( the one titled "Answer").
Don't read other entries until you have entered your answer.

OK, lets go.

Write down a three figure number eg 856
Now reverse the number (658)
Subtract the smaller number from the larger number. =198

Reverse this number to 891 then add the two together.

Now post your answer in the "Answer" thread.

Now read everyone else's answer.

It will all become clear when you do.

Re: Bit of fun for holiday Monday

Posted by George on 7/5/2025, 7:33 am, in reply to "Bit of fun for holiday Monday"

You will have noticed that after selecting the three digits, then reversing them, then subtracting the smaller number from the larger - the middle digit is always 9. The two outer digets always add up to 9. Magic.