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Niko's Comments and Proposed Solutions to some of the Tests

Comments and Proposed Solutions to some of the Tests presented at iq.shtml page

I don't ensure that all of these proposed solutions are correct. Please email nsaa@probabilityof.com if you find any wrongdoings, have more solutions or comments. Unhappily some of the comments are in norwegian.


Proposed solutions to : 1.

http://cech.cesnet.cz/IQ/IQ-test-e.html
Nr Ans.  | Comments
____________________________________________________________
1.  m    | jump over two letter in the alphabet 
2.  15   | differens increase for each step
3.  8    | fibonacci series X(n)=X(n-1)+X(n-2), X(1)=X(0)=1
4.  6    | difference inccrease with 1 at each step
5.  5    | difference -2,1,-2,1,-2,....
6.  4    | SQRT(65536)=256, SQRT(256)=16, SQRT(16)=4
7.  1    | differense -1,-1,1,1, ....
8.  2    | 63^2-1, 8^2-1, 3^2-1, 2^2-1, Correct answer is then 2
9.  b    |
10. d    |
11. c
12. a
13. c
14. d    | follow rotation in each figure: a is also a possible
solution, but not as good. Why d? See horizontal on the lines. Expand the
second row with one, and start the third row one earlier. Then you see
that the lines, starting at 1, rotate 45 degrees against the clock.
15. c    | I think the figure is wrong : every object is mirrored on the edge's
A comment from:
Date: Thu, 24 Jul 1997 08:46:22 -0700
From: Randy Chase 
I don't think so. I think that the more important logic here (some are
not mirrored) is that no similar symbol (filled circle, hollow circlem
arrow) touches each other. The triangles rotate, but in no case do the
symbols touch.
16. c
17. b
18. d, Why?, Just count the lines: 2, 3, 5. The nest number will be 8
because 2+3=5, 3+5=8. Ergo it is the start at Fibonacci numbers
A(n)=A(n-1)+A(n-2) where A(1)=1, A(2)=1 
19. d
20. d
21. c
22. c
23. d
24. b
25. a
26. ad
27. bc
28. ad
29. bd
30. d
31. c
32. b
33. c

A comment:
Date: Fri, 2 Jul 1999 15:00:12 EDT
From: CGrasmick@aol.com
...
7.  1    | differense -1,-1,1,1, ....
...
The maker of this test  has inadvertently made a question with well over 6
possible solutions.... # 7,  The question reads:
7)(insert the number that logically completes the statement) 1, 0, -1, 0 __

Although 1 (the pattern being -1 -1, +1, +1) is a semi-logical solution, an
equally valid one is to square each number, and then subtract one, one times
one equals 1, -1 equals 0, 0 times 0 equals 0, -1 equals -1... -1times -1 is
1, -1 = 0

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Proposed solutions to : 2.1.

http://www.canada.mensa.org/workout.html


VIKTIG : maa gjoers paa oppsatte 10. min ellers har testen ikke noe effekt

1.a
2.2500 
3.ear
4.0-1-2-4-8+16=1
5.stronger


Komentarer:
1.:

2.:liker tall som faar helt svar naar hun tar kvadratroten(sr=squarerot) 
Liker :      sr(2500)=50     sr(400)=20     sr(625)=25      sr(121)=11 
Liker ikke : sr(2400)=48.9.. sr(300)=17.3.. sr(624)=24.98.. sr(122)=11.04..

3.:earache - øreverk
   eardrum - trommehinne
   earnest - ærlig, hederlig, rederlig

4.:Tenk paa at alle tallene dobles. Dvs at det stoerste tallet maa vaere positivt for aa faa positivt svar. Siden tallene dobles maa resten være negative

5.:

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Proposed solutions to : 3.

http://www.jaring.my/~mensa/misc/puzzle.html
1. I
2. 3
3. Singapore
4. 5
5. H           

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Proposed solutions to : 4.

http://www.mensa.se/PAGES/layouts2.html

VIKTIG : MAA gjoerse paa 8. min, ellers har testen ingen relevans

1.b  | streken flytter seg en plass til høyre for hver rute 
2.c  | streken beveger seg mot klokken langs kanten
3.e  | streken har et fast punkt i midten, og beveger seg med klokken
4.c  | lenken beveger seg med klokken, langs kanten, med en blank prikk mellom.
5.f  | lenken beveger seg mot klokken, langs kanten, med en prikk av gangen
6.b  | lenken beveger seg med klokken, langs kanten, med to blank prikker mellom.
7.e  | lenken beveger seg mot klokken, i det nederste fire*fire hjoernet, med to svarte prikker
8.d  | figuren har et fast punkt i midten, og beveger seg 90 grader med klokken
9.c  | figuren beveger seg i oppre høyre 4*4 hjoerne, med klokken med en blank prikk mellom
10.c | den vannrette streken beveger seg en plass opp, den vertikale beveger seg fra høyre mot venstre med en plass
11.e | vannrette strek beveger seg en plass opp, horisontale strek, beveger seg rundt et fast punkt i sentrum med 45 grader mot klokken
12.d | vannrette strek beveger seg med klokken , 45 grader , rundt et fast punkt i sentrum. Vertikale strek beveger seg mot klokken, langs kanten
13.e | Vanskelig siden overlappende punkt. De tre bunnpunktene beveger seg langs kanten, med klokken, med to svarte prikker, de fire andre punktene, beveger seg 45 grader med fast punkt i sentrum.
14.a | horisontale strek faller med en , vertikale strek beveger seg en til høyre, samtidig som den gaar vekselvis en prikk opp og ned
15.a | hele figur beveger seg en prikk med klokken, langs kanten
16.f | De to overste punktene veksler annenhver gang paa aa bevege seg to punkter til venstre. De to nederste vekselvis til høyre
17.d | tre øverste vertikale punkt beveger seg en plass til venstre. Punkt lengst til venstre paa ant nederste linje 'faller' ned til nederste linjepaa foerste 'ledige' plass fra venstre
18.b |vannrette strek faller med en linje pr. gang. vertikale strek roterer, med klokken, i nederst til høyre 3*3 kvadrat

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Proposed solutions to : 11.

http://www.ifi.uio.no/~davidra/IQ/
1-5
2-6
3-5
4-4
5-2
6-2
7-5
8-5
9-1
10-2
11-2
12-5
13-5
14-2
15-1
16-1
17-5
18-16
19-27
20-25
21-18
22-25
23-192
24-118
25-95
26-1    difference -3: first , third, fifth number, difference +3: second,
fourth, sixth, etc
27-U Y
28-H E
29-S U
30-K P
31-M M
32-Q 17
33-16 B
34-K 10
35-35 U
        Why:
        B D G L U  L  S
         1 2 4 8 16 32 64
 
        last number in sequence (1 4 9 18 ...) 
        + 1 
        + difference between the two letter that comes right after this
number
          (1 2 4 8 16 32 64 etc)

        0 +0+1(BD)=1 (start condition)

        1 +1+2(DG)=4
        4 +1+4(GL)=9
        9 +1+8(LU)=18
        18+1+16(UL)=35
        35+1+32(LS)=68
        ...

        1 4 9 18 35

36-16
37-2 
38-8 m
39-9 9

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