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137 (90) 43, 56 (60) 64, 79 (?) 61

https://www.elevenplusexams.co.uk/forum/11plus/viewtopic.php?t=26590

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137 (90) 43, 56 (60) 64, 79 (?) 61

Posted: Sun Jul 08, 2012 11:10 am
by Flosi
Any ideas? The answer is 70

Thanks

Flosi

Re: 137 (90) 43, 56 (60) 64, 79 (?) 61

Posted: Sun Jul 08, 2012 11:17 am
by hermanmunster
Looks to me like adding the numbers on either side of the brackets together and then dividing by 2

Re: 137 (90) 43, 56 (60) 64, 79 (?) 61

Posted: Sun Jul 08, 2012 11:53 am
by Flosi
Thanks hermanmumster

Easy when you know how!

Flosi

Re: 137 (90) 43, 56 (60) 64, 79 (?) 61

Posted: Sun Jul 08, 2012 6:57 pm
by Orson
Or what no. is halfway between the outside numbers?
(which is found by adding them and dividing the sum by 2).
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