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Author Maths problem - can anyone do it?
ryzer
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Registered: 18th Mar 03
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20th May 10 at 11:28   View User's Profile U2U Member Reply With Quote
I cant

They say only people with an IQ 120 and over are able to figure this out.

If:
2 + 3 = 10
7 + 2 = 63
6 + 5 = 66
8 + 4 = 96

Then:
9 + 7 = ????
daymoon
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20th May 10 at 11:29   View Garage View User's Profile U2U Member Reply With Quote
144
GF-91
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20th May 10 at 11:29   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by ryzer
I cant

They say only people with an IQ 120 and over are able to figure this out.

If:
2 + 3 = 5
7 + 2 = 9
6 + 5 = 11
8 + 4 = 12

Then:
9 + 7 = 16

Makes sense to me.
RichR
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20th May 10 at 11:30   View Garage View User's Profile U2U Member Reply With Quote
144

2x(2+3) = 10
7x(7+2) = 63
6x(6+5) = 66
8x(8+4) = 96

and

9x(9+7) = 144

[Edited on 20-05-2010 by LiVe LeE]
ryzer
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20th May 10 at 11:31   View User's Profile U2U Member Reply With Quote
how the fuck did you do that so fast?!!!
GF-91
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20th May 10 at 11:31   View User's Profile U2U Member Reply With Quote
google says 144. But I think I am right.
Matt L
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20th May 10 at 11:31   View User's Profile U2U Member Reply With Quote
as daymoon said 144, add both numbers together and times by the first number.
GF-91
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20th May 10 at 11:31   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by ryzer
how the fuck did you do that so fast?!!!


google.
ryzer
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20th May 10 at 11:33   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by GF-91
quote:
Originally posted by ryzer
how the fuck did you do that so fast?!!!


google.


thats not the point
ryzer
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20th May 10 at 11:34   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Matt L
as daymoon said 144, add both numbers together and times by the first number.


ohhhhhhh yeah
GF-91
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20th May 10 at 11:34   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by ryzer
quote:
Originally posted by GF-91
quote:
Originally posted by ryzer
how the fuck did you do that so fast?!!!


google.


thats not the point


You asked how to do it, I gave a result. Therefore I win..
nathy_87
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20th May 10 at 11:35   View User's Profile U2U Member Reply With Quote
So what you do is add the numbers in the brackets, then from that answer you times it by the number outside the bracket.

[Edited on 20-05-2010 by 5dr corsa-3dr_polo]
Matt L
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20th May 10 at 11:37   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by 5dr corsa-3dr_polo
So what you do is add the numbers in the brackets, then from that answer you times it by the number outside the bracket.

[Edited on 20-05-2010 by 5dr corsa-3dr_polo]


where are you seeing brackets

you add 2 + 3 to give you 5 then 5 x 2 to give you the 10 and so on.
oceansoul
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20th May 10 at 11:39   View User's Profile U2U Member Reply With Quote
144

Edit, and i did it without reading all the replies.

[Edited on 20-05-2010 by oceansoul]
nathy_87
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20th May 10 at 11:42   View User's Profile U2U Member Reply With Quote
Sorry Matt I was looking at liVe LeE's answer.
RichR
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20th May 10 at 11:45   View Garage View User's Profile U2U Member Reply With Quote
I put the brackets in to make it clearer, but yes, you add the figures together then multiply by the first number
MJFF88
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20th May 10 at 11:46   View User's Profile U2U Member Reply With Quote
Times the answer by the first number

2 + 3 = 10 (2x5=10)
7 + 2 = 63 (9x7=63)
6 + 5 = 66 (11x6=66)
8 + 4 = 96 (8x12=96)

Therefore
9 + 7 = (16x9=144)
RichR
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20th May 10 at 11:46   View Garage View User's Profile U2U Member Reply With Quote
you would get a different answer if the number in the brackets was the other way round, ie 5+2 would become 5x(5+2) = 35 whereas 2+5 becomes 2x(2+5) = 14

[Edited on 20-05-2010 by LiVe LeE]
daymoon
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20th May 10 at 11:57   View Garage View User's Profile U2U Member Reply With Quote
Looking at first set of numbers gave it away for me... but i did maths at A-level and also i did similar thing at GCSE where we had to work out a pattern for something...

ps. my IQ is no where near 120
pow
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20th May 10 at 11:59   View Garage View User's Profile U2U Member Reply With Quote
144.

Seen it before
adiohead
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20th May 10 at 12:04   View User's Profile U2U Member Reply With Quote
iqtest.com told me mine was 136
Calum
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20th May 10 at 12:17   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by daymoon
Looking at first set of numbers gave it away for me...
ps. my IQ is no where near 120


Same, got it straight away from that just because they are easy numbers. Can't do maths with bigger numbers though
Nath
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20th May 10 at 12:20   View User's Profile U2U Member Reply With Quote
144 mate. Am I the first to get it?
ryzer
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20th May 10 at 12:55   View User's Profile U2U Member Reply With Quote
i feel a bit thick
mike56gte
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20th May 10 at 13:20   View User's Profile U2U Member Reply With Quote
i actualy got it staright away and am shit at maths!

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