Go to navigation
It is currently Tue Dec 06, 2016 12:58 am

All times are UTC




Post new topic Reply to topic  [ 11 posts ]  Go to page 1, 2  Next
Author Message
 Post subject: Help with a VR question
PostPosted: Wed Mar 20, 2013 11:09 am 
Offline

Joined: Mon Feb 27, 2012 12:00 pm
Posts: 68
Hello all,

My DS and I are struggling with this one. I tried to think of all sorts of combinations and relationships between the letters but cannot come up with any meaningful answer, let alone the answer given. Here is the question, please help:

Find the next letters in the series:

ZA, CU, QF, JN, ( )
Answer: LO

Maybe I am missing something really obvious. Would be very grateful if someone can figure it out.

Thank you,

Milada


Top
 Profile  
 
PostPosted: Wed Mar 20, 2013 11:34 am 
Offline

Joined: Sat Oct 08, 2011 1:25 pm
Posts: 1360
Beats me:-(


Top
 Profile  
 
PostPosted: Wed Mar 20, 2013 12:54 pm 
Offline

Joined: Mon Feb 27, 2012 12:00 pm
Posts: 68
stroudydad, thank you very much for trying.

The example is from Preparation for 11+ and 12+ Tests: Book 3 Verbal Reasoning by Stephen McConkey. I am hoping someone will say that it is a printing error otherwise I cannot see how the answer is LO.


Top
 Profile  
 
PostPosted: Wed Mar 20, 2013 12:55 pm 
Offline

Joined: Mon Aug 22, 2011 8:20 pm
Posts: 1706
Location: Warwickshire
ZA, CU, QF, JN, ( )
Answer: LO

It's a sneaky one - each letter relates to the opposite letter in the preceding pair.

If you reverse the 2nd and 4th pairs and then do it conventionally it's a bit more obvious:
That would give you:
ZA UC QF NJ ??

Z->U = -5
U->Q = -4
Q->N = -3
N-?

N-2 = L

A->C = +2
C->F = +3
F->J = +4
J->?

J+5 = O


Top
 Profile  
 
PostPosted: Wed Mar 20, 2013 1:00 pm 
Offline

Joined: Thu Feb 07, 2013 5:32 pm
Posts: 5
Hi there,

Letters jump up/down in order and switch places.

So A jump1=C, C jump 2=F, F jump 3=J. J jump 4=O
Positions alternate between first and second and so in the final one the position is the second one

Work backwards for the other letter!

LfiM :D


Top
 Profile  
 
PostPosted: Wed Mar 20, 2013 1:11 pm 
Offline

Joined: Sat Oct 08, 2011 1:25 pm
Posts: 1360
I tried that okanagan, must have miss counted because it didn't work for me...obviously need more Maths practise...


Top
 Profile  
 
PostPosted: Wed Mar 20, 2013 2:13 pm 
Offline

Joined: Mon Feb 27, 2012 12:00 pm
Posts: 68
Okanagan and LookingforinfoMum, thank you very much for the detailed explanation. I did not realise that letters could switch places. :shock: So far I have only seen linear relationships between letters or mixed sequences but this! Do these tricks happen often in exams, do you think?


Top
 Profile  
 
PostPosted: Thu Mar 21, 2013 12:08 pm 
Offline

Joined: Tue Oct 05, 2010 5:48 pm
Posts: 148
wow milada that really was a sneaky one. I also haven't come across that kind of answer before. My DS doesn't like these types, if I show him this one he'll give up with them completely. Not sure I can even explain it to him convincingly :shock:


Top
 Profile  
 
PostPosted: Thu Mar 21, 2013 12:24 pm 
Offline

Joined: Sun Dec 09, 2012 1:25 pm
Posts: 24
Even i was not aware of that letters can switch places. not sure how can i explain this to my DD when i am myself so confused. :?


Top
 Profile  
 
PostPosted: Thu Mar 21, 2013 1:01 pm 
Offline

Joined: Mon Feb 27, 2012 12:00 pm
Posts: 68
My DS usually copes fine with this type but the example above beat us both. Let's hope there would not be many like it in the exam paper.


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 11 posts ]  Go to page 1, 2  Next

All times are UTC


Who is online

Users browsing this forum: No registered users and 1 guest


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
CALL 020 8204 5060
   
Privacy Policy | Refund Policy | Disclaimer | Copyright © 2004 – 2016