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PostPosted: Sun Aug 30, 2015 3:32 pm 
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Joined: Sun Aug 30, 2015 3:27 pm
Posts: 3
Hi

I was wondering if anyone could help with this sequence?

4, 3, 7, 5, 9, __

Choose out of:

14
18
16
20
10

Thanks!

The answer is 10 but I'm unsure how they got this.


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PostPosted: Sun Aug 30, 2015 8:14 pm 
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Joined: Thu Aug 13, 2015 3:39 pm
Posts: 46
Hi,

Showed to my DD... she said

4 , 3 , 7 , 5 , 9, ______

do -1, +4 , -2, +4 , -3 , +4

4 - 1 = 3
3+ 4= 7
7 - 2 = 5
5 +4 = 9
9 - 3 = 6
6 + 4 = 10
10 is the only one which comes in the sequence first....

She may be wrong.... u can wait for others to comment

Thanks
CP


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PostPosted: Sun Aug 30, 2015 9:03 pm 
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Thank you! Makes sense now! :D
Not sure why they haven't added in 6 to the sequence though possibly a typo in the paper.


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PostPosted: Sun Aug 30, 2015 9:14 pm 
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Joined: Mon Jul 27, 2015 6:44 am
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Hi, can I check the actual question? Does it say which one of these numbers appears next in the sequence(in which case it makes sense) OR what number appears next(in which case very misleading!!!). Not sure they would be that mean in the actual test??!


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PostPosted: Sun Aug 30, 2015 9:22 pm 
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'What number continues the pattern in each series?'

My DS did the previous three sequence questions without any problems and the answers were the ones which were next in the series; however we both couldn't seem to work this one out! :?


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PostPosted: Sun Aug 30, 2015 10:02 pm 
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So far only coming up with same as Curiousparent but will keep trying!!! Like I said if this is it, it is REALLY mean!!!


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PostPosted: Sun Aug 30, 2015 10:14 pm 
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Joined: Mon Jul 27, 2015 6:44 am
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4,3 = 1 difference
3,7 = 4 difference
7,5 = 2 difference
5,9 = 4 difference.
Ignoring plus and minus the inbetween sequence would be 1,4,2,4,1,4,2,4.
The only answer one different to 9 is 10.
What do you think???
(Logically can't go 1,4,2,4,3,4 as then would be 6 or 12 and neither an option)


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