Help please on code question

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SleepyHead
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Joined: Thu Oct 18, 2012 10:41 am

Help please on code question

Post by SleepyHead »

This is taken from a CGP GL paper and I think there’s a misprint.
Have misplaced the answers!

If the code for CHAP is XSZK, what is WVZU the code for ?

A) dead
B) deaf
C) deed
D) blue
E) blot

Thanks
Sleepyhead
hermanmunster
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Re: Help please on code question

Post by hermanmunster »

I get DEAF - what did you get?
SleepyHead
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Re: Help please on code question

Post by SleepyHead »

Thanks for your reply

For the first letter X to C it’s +5

So I apply the same rule to the first letter W . Which gives me B

I’m clearly doing something wrong ? :oops:
hermanmunster
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Re: Help please on code question

Post by hermanmunster »

You need a backwards alphabet: (or alphabet written in one long line and then backwards underneath)

AZ
BY
CX
DW
EV
FU
GT
HS
IR
JQ
KP
LO
MN
SleepyHead
Posts: 484
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Re: Help please on code question

Post by SleepyHead »

Brilliant thank you. Would you recommend that DC has to learn these backward pairs so they become more recognisable?

Many thanks
hermanmunster
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Re: Help please on code question

Post by hermanmunster »

I don't think anyone learns the pairs just recognises that it might be a solution to the particular question.

I spotted this one as the third letter A in CHAP was matched up with Z in XSZK.
SleepyHead
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Joined: Thu Oct 18, 2012 10:41 am

Re: Help please on code question

Post by SleepyHead »

thanks. We will just focus on practise and familiarity!
Weakandwobbly
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Re: Help please on code question

Post by Weakandwobbly »

SleepyHead wrote:Brilliant thank you. Would you recommend that DC has to learn these backward pairs so they become more recognisable?

Many thanks
Yes, my DS learnt them as 'mirror pairs' and had a mnemonic for each. Such as 'anger zone', blue yacht' etc. It just made them easy to remember and tripped off the tongue by the time he was ready to do the exam. Just make up your own memorable ones, it's good fun.
BucksBornNBred
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Re: Help please on code question

Post by BucksBornNBred »

I think you are overthinking this particular example. Z appears in both codes which discounts three options. Of the two options left one has the same letter twice (dead) but the code has 4 unique letters therefore "deaf" is the only real option. Start with the obvious before breaking out the whole alphabet would be my advice.
hermanmunster
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Joined: Fri Sep 15, 2006 9:51 am
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Re: Help please on code question

Post by hermanmunster »

BucksBornNBred wrote:I think you are overthinking this particular example. Z appears in both codes which discounts three options. Of the two options left one has the same letter twice (dead) but the code has 4 unique letters therefore "deaf" is the only real option. Start with the obvious before breaking out the whole alphabet would be my advice.
Good advice, re excluding the impossible answers - actually thinking about it, that is how I would have done it when I did 11 plus.
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