nfer paper c q44

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Tracy
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Joined: Tue Oct 16, 2007 10:28 am
Location: Bexley

nfer paper c q44

Post by Tracy »

Just going through some of the questions my dd got wrong on this practise paper.

With q 44 she keeps getting AB as her answer and it's not on the multi choice answer sheet, WX is given as the answer.

I have checked it and I agree with my dd.

Can anyone exlain the answer?

Thanks.
patricia
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Joined: Mon Jan 30, 2006 5:07 pm

Post by patricia »

Dear Tracy

Can you write out the question?

I think you will find its a form of mirror code.

Patricia
Tracy
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Joined: Tue Oct 16, 2007 10:28 am
Location: Bexley

Post by Tracy »

Thanks Patricia,

It says:

AB is to YZ
as CD is to ?
patricia
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Joined: Mon Jan 30, 2006 5:07 pm

Post by patricia »

Dear Tracy

AB is to YZ
as CD is to


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Ist Method


A to Y = - 2

C – 2 = A

B to Z = - 2

D – 2 = B

Answer AB

If the answer is not on the answer sheet, child must look for another rule.

2nd Method

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

AB is to YZ
as CD is to

Mirror of A is Z,

Z to Y = - 1

Mirror of C = X , X – 1 = W

Mirror of B is Y

Y to Z = + 1

Mirror of D = W, W + 1 = X

Answer = WX

This question should never be used in standard format.

Patricia
Tracy
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Joined: Tue Oct 16, 2007 10:28 am
Location: Bexley

Post by Tracy »

Thanks for the explanation, I would never have got that!
patricia
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Joined: Mon Jan 30, 2006 5:07 pm

Post by patricia »

Another way to look at it..

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

AB is to YZ
as CD is to

Flip AB over to the end of the alphabet and get YZ

Flip over CD and get WX

Patricia
Tracy
Posts: 1123
Joined: Tue Oct 16, 2007 10:28 am
Location: Bexley

Post by Tracy »

Thanks, I'll try to explain to dd when she comes in from playing, she was only 10 last week!
ian35mm
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Joined: Sat Nov 29, 2008 8:04 pm

Post by ian35mm »

This is a unusual one, but very visual and doesn't take any working out in the normal sense.

If you ring AB and the YZ, then CD, then most children will see which next pair to ring - it just rquies a slightly different 'take' on the question.
Milla
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Joined: Mon Nov 24, 2008 2:25 pm

Post by Milla »

I came across a very difficult one. My son worked it out the straight way, (choosing to make it OB, I think, from memory) went confidently to the answer sheet ... not there as an option.

Puzzled we went through the answers and found it was one which we could only work out by "seeing" it.

The question was XJ is to QC as VH is to ...
SE

when you "see" it you have the pencil looking from X to Q and from C to J making sort of little swags, and then H and E made a mini swag within the C to J, and the S to V another within Q to X. Hope you understand my description of it.

I am hoping that this sort is HIGHLY unlikely to come up in a VR based test???
Tracy
Posts: 1123
Joined: Tue Oct 16, 2007 10:28 am
Location: Bexley

Post by Tracy »

We have just gone through this together 'ringing' the pairs as suggested.
Now it looks SO obvious.
Thanks for all your help everyone.
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