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 Post subject: nfer paper 11a
PostPosted: Tue Dec 04, 2007 11:26 am 
Please can anyone tell me why the answer to q 10 in section 1 is c and not b

I have looked at it several times but I just cannot see why


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 Post subject:
PostPosted: Tue Dec 04, 2007 11:59 am 
It is a 90 degree clockwise rotation! I think!


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 Post subject:
PostPosted: Tue Dec 04, 2007 12:01 pm 
not b - because the half the shape has the fills reversed thus c!


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 Post subject:
PostPosted: Tue Dec 04, 2007 12:03 pm 
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Joined: Mon Feb 20, 2006 1:29 pm
Posts: 1805
Location: Berkshire
In my copy q10 in section 1 NFER(11A) the answer is 'A'

In the example the white semi-circle with the black stripe in the middle is rotated 90' anti-clockwise, and then an 'opposite mirror image' is added to it, to make a whole shape.

The answer is 'a', because the the black semi-hexagon with the white stripe through the middle needs to also be rotated by 90' in an anti-clockwise direction and an 'opposite mirror image' needs to be added to complete the whole shape.


HTH

BW


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 Post subject:
PostPosted: Tue Dec 04, 2007 12:24 pm 
I dont understand how the answer can be anything but a 180 degree turn because that is what the test shape has done.
The only other way is for the shape to be flipped rather than rotated, but that goes against all of the other answers.
I have been told you never flip a shape and only ever to rotate.

I think the answers are swapped depending on when it was published. anyway, am I right in thinking that the answer should be that the shaded triangle should be on the top left ? :cry:


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 Post subject:
PostPosted: Tue Dec 04, 2007 12:37 pm 
Yes - I should have checked first - the answer I have is A!! There is an anticlockwise 90 degree rotation, and a mirror image with the fills swapped. This would bring the vertex ends in the centre as opposed to the flat side.


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 Post subject:
PostPosted: Tue Dec 04, 2007 12:44 pm 
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Joined: Mon Feb 20, 2006 1:29 pm
Posts: 1805
Location: Berkshire
Anonymous wrote:
am I right in thinking that the answer should be that the shaded triangle should be on the top left ? :cry:


Can you check which paper you are referring to guest.
NVR 11A, question you are asking about has no shaded triangle's.


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 Post subject:
PostPosted: Tue Dec 04, 2007 1:09 pm 
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Joined: Fri Nov 17, 2006 8:54 pm
Posts: 1770
Location: caversham
Looking at 11A standard that arrived last week. Q10 looks multi-layer but. :roll:

Rotate 90 degrees anti-clockwise. So can only be a.

The rest is a red herring.

Add a mirror image.

Invert black&white on mirror image. Confirms a.

Had to look three times to realise the first step is all you need.


stevew61


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 Post subject:
PostPosted: Tue Dec 04, 2007 1:59 pm 
:oops:

didnt think to rotate anti clockwise


of course it can only be that.

thank you thank you thank you

It was really irritating me


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 Post subject:
PostPosted: Sat Sep 20, 2008 1:18 pm 
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Joined: Mon Jun 16, 2008 5:34 pm
Posts: 548
Please can someone tell me what the answer to Section 3, Question 9 is?

So many shapes and we just cant figure it out.

Thanks.


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