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The IQ Workout Series

250 new ways to release your IQ potential

Philip Carter and Ken Russell

JOHN WILEY & SONS, LTD

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Copyright © 2002 by Philip Carter and Ken Russell

Published 2002 by John Wiley & Sons Ltd,

Baffins Lane, Chichester, West Sussex PO19 1UD, England

National 01243 779777 International (+44) 1243 779777

e-mail (for orders and customer service enquiries):

cs-books@wiley.co.uk Visit our Home Page on http://www.wiley.co.uk

or http://www.wiley.com Philip Carter and Ken Russell have asserted their right under the Copyright, Designs and Patents Act, 1988, to be identified as the authors of this work.

All Rights Reserved No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic,

mechanical, photocopying, recording, scanning or otherwise, except under the terms of the Copyright, Designs and Patents Act 1988 or under the terms of a licence issued by the Copyright Licensing Agency, 90 Tottenham Court Road, London, UK W1P 9HE, without the permission in writing of the publisher and the copyright holder.

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British Library Cataloguing in Publication Data

A catalogue record for this book is available from the British Library

ISBN 0-470-84717-4

Typeset in 11/14 pt Garamond Book by Dorwyn Ltd, Rowlands Castle, Hants Printed and bound in Great Britain by Biddies Ltd, Guildford and King's Lynn This book is printed on acid-free paper responsibly manufactured from sustainable forestry, in which at least two trees are planted for each one used for paper production.

Introduction 1Part one 5Visual analogy test 5Visual odd one out test 19Lateral thinking test 29Which letter comes next 37Visual sequence test 40Numerical calculation test 49Part two 53

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Intelligence is the capacity to learn or understand Althoughintelligence is possessed by all people, it varies in amount foreach person, and remains the same throughout life fromapproximately 18 years of age

In psychology, intelligence is defined as the capacity toacquire knowledge or understanding, and to use it in novelsituations

What is IQ?

IQ is the abbreviation for intelligence quotient

Intelligence quotient (IQ) is an age-related measure ofintelligence and is defined as 100 times mental age The word'quotient' means the result of dividing one quantity byanother, and intelligence can be defined as mental ability andquickness of mind

What is an IQ test?

IQ tests are part of what is generally referred to as'psychological testing' Such test content may be addressed toalmost any aspect of our intellectual or emotional make-up,including personality, attitude, intelligence or emotion

An intelligence test (IQ test) is, by definition, any test thatpurports to measure intelligence Generally such tests consist

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of a series of tasks, each of which has been standardized with

a large representative population of individuals Such aprocedure establishes the average IQ as 100

When measuring the IQ of a child, that child is given anintelligence test that has already been given to thousands ofother children, so that an average score has been establishedfor each age group Thus, a child who at 8 years of ageobtained a result expected of a 10-year-old would score an IQ

of 125, that figure being mental age divided by chronologicalage X 100, or 10/8 X 100 On the other hand, a child of 10years of age who obtained a result expected of an 8-year-oldwould score an IQ of 80, or 8/10 X 100

Because mental age remains constant from the age of 18this method of calculation does not apply to adults Adultshave, instead, to be judged on a standardized IQ test whoseaverage score is 100, and the results graded above and belowthis score according to known scores

Culture-fair IQ testing

As mastery of words is seen by many as the true measure ofintelligence, vocabulary tests have been widely used inintelligence testing Today, however, there is also a swingtowards diagrammatic tests where logic is more importantthan word knowledge Advocates of such non-verbal testsargue that diagrammatic tests examine raw intelligencewithout the influence of prior knowledge

Such tests are referred to as culture-fair tests, or culture-freetests, and are designed to be free of any particular culturalbias so that no advantage is derived by individuals of oneculture relative to those of another In other words, theyeliminate language factors or other skills that may be closelytied to another culture

Introduction 3

How to use this book

The tests in this book are culture-fair and rely mainly ondiagrammatical representation However, numerical skill isalso tested as numbers are international and, in the same way

as diagrammatic representation, they test powers of logic, andyour ability to deal with problems in a structured andanalytical way

The questions in this book are also designed to make youthink laterally and creatively, and the developing of such skillscan also prove invaluable in dealing with the many real-lifeproblems that you may encounter They will also providevaluable practice for readers who may have to take an IQ test

in the future

Because the tests have been specially compiled for thisbook they have not been standardized; therefore, an actual IQrating cannot be provided We do, however, provide a guide

to assessing your performance on each of the separate tests.The tests in the book are divided into two main sections InPart one we provide six separate tests, each of which test a

particular type of discipline A time limit of 60 minutes is

allowed for each of these six tests

In Part two we provide seven complete IQ tests, which bring

together each of these disciplines A time limit of 80 minutes

is allowed for each of these seven tests

We would recommend that you attempt the six tests in Partone first as this will then provide practice on the type ofquestions you are likely to encounter in Part two, whichshould then enhance your performance on these sevencomplete tests

On all of the tests you have limited time, and this time limitshould be stricdy adhered to, otherwise your score will beinvalidated It is, therefore, important that you do not spendtoo much time on any one question; if in doubt leave it and

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return to it using the time remaining If you do not know ananswer, it may be well worth while having an intuitive guess

as this may well prove to be correct

Answers are provided for all questions together withdetailed explanations

Visual Analogy Test 7

as

is to

is to

Visual Analogy Test 9

is to

as

is to

D

Visual Analogy Test 11

as

is to

is to

D

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8

is to

Visual Analogy Test 15

Visual Analogy Test 17

is to

as

D

1 Which is the odd one out?

0

D

Vi s u al o d d on e o u t

test

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2 Which is the odd one out?

A

Visual Odd One Out Test 21

3 Which is the odd one out?

A

D

4 Which is the odd one out?

G

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5 Which is the odd one out?

6 Which is the odd one out?

A

Visual Odd One Out Test 23

7 Which is the odd one out?

D

G

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8 Which is the odd one out?

D

Visual Odd One Out Test 25

9 Which is the odd one out?

Visual Odd One Out Test 27

13 Which is the odd one out?

D

H

14 Which is the odd one out?

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15 Which is the odd one out?

B C

1 What number should replace the question mark?

Which circle should replace the question mark?

Lateral thinking test

5 The supervisor said to the carpenter, 'The locks on three

of the first seven doors are faulty.'

The carpenter looked at door number 7 first Why didn't

he look at number 1 first?

Lateral Thinking Test 31

6 Which letter comes next?

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8

Which is the missing square?

Lateral Thinking Test 33

Lateral Thinking Test 35

Which circle should replace the question mark?

D

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13 In my fish tank I have 25 zebra fish The male fish have

15 stripes each and the female fish have 45 stripes each

If I take out two-thirds of the female fish, how manystripes in total are left in the tank?

14 What number should replace the question mark?

2 3 3 3

?

3

4

2 3

3

3

2 3 3 4

2

3 4 3

3 3

2

2 2

15 I take a certain journey and, due to heavy traffic, travelthe first half of the complete distance at a speed of just

10 m.p.h How fast would I have to travel over thesecond half of the journey to bring my average speedfor the whole journey to 20 m.p.h.?

C H M R W

D 1 N S X

E J O T

3 Which letter comes two above the letter immediately tothe left of the letter immediately above the letter two tothe left of the letter X?

Wh ic h le t t er co m e s

next test

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4 Which letter comes two to the right of the letter thatcomes immediately below the letter immediately to theleft of the letter two below the letter J?

Which letter is two to the right of the letter immediatelybelow the letter that comes two to the left of the letterimmediately below the letter D?

6 Which letter is immediately above the letter that is two

to the right of the letter that comes midway betweenthe letters J and F?

Which letter is immediately to the left of the letter thatcomes midway between the letter immediately below theletter T and the letter immediately above the letter R?

8 Which letter is three to the left of the letter that isimmediately below the letter that is immediately to theleft of the letter that is three letters below the letter E?

Which letter is two letters below the letter that is two tothe left of the letter that is two letters above the letterthat is three letters to the right of the letter K?

10 Which letter is two letters below the letter that is

immediately below the letter that is three letters to theright of the letter that is two letters above the letterimmediately above the letter that is four letters to theleft of the letter Z?

Which Letter Comes Next Test 39

11 Which letter is two letters above the letter that is

immediately to the right of the letter that is immediatelybelow the letter that lies midway between the letters Aand Y?

12 Which letter is immediately below the letter that liesmidway between the letter that is two letters above the

letter immediately to the left of the letter L and the

letter that is immediately above the letter that is

immediately above the letter immediately to the right ofthe letter N?

13 Which letter is two letters above the letter that is threeletters to the left of the letter that is immediately to theright of the letter that is two letters above the letter that

is immediately to the left of the letter two letters to theleft of the letter Z?

14 Which letter is immediately above the letter that is two

to the right of the letter immediately below the letterthat comes midway between the letter two letters to theleft of the letter D and the letter that comes

immediately to the right of the letter that comes twoletters below the letter K?

15 Which letter comes midway between the letter thatcomes two letters above the letter that comes

immediately above the letter two letters to the left ofthe letter R and the letter that comes three letters belowthe letter that is immediately to the right of the letterthat comes two letters above the letter immediately tothe left of the letter T?

Visual sequence test

Complete the next circle in the above sequence

c

What comes next?

B

Visual Sequence Test 41

What comes next?

A

What comes next?

D

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5

What comes next?

What comes next?

Visual Sequence Test 43

What comes next?

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8

What comes next?

Visual Sequence Test 45

What comes next?

10

What conies next?

A B C D

E F G

Visual Sequence Test 47

What comes next?

D

14

What comes next?

Numerical calculation test

1 What number should replace the question mark?

A2127

354563

B1624364856

C41

43475153

D81100

?144

169

2 What weight will replace the question mark and balancethe scale?

8kg 7kg 10kg

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3 What number should replace the question mark?

4860

334272

610111412

1315161714

2121

1920

Bill's age plus Jim's age equals 121 and

Bill's age plus Arthur's age equals 112 and

Jim's age plus Arthur's age equals 57,

how old are Bill, Jim and Arthur?

7 What number continues this sequence?

59, 73, 83, 94, 107, ?

Numerical Calculation Test 51

8 On a recent shopping trip the amount spent by mydaughter was the same as the amount spent by my wifedivided by the amount spent by myself My wife spent

£60 and would have spent 15 times as much as myself if she had spent 25% more How much did we all spend?

Midway through his round a golfer hits a 203-yard drivewhich brings his average length per drive for the round

up to now from 176 to 179 yards How far would hehave had to hit the drive to bring his average length ofdrive up from 176 to 181 yards?

10 Cherie has a third as many as Tony who has a third asmany again as Gordon Altogether they have 185 Howmany has each?

11 How many minutes is it after 12 noon if 22 minutes ago

it was three times as many minutes after 11 a.m.?

12 A train travelling at a speed of 45 m.p.h enters a tunnel

that is 2.5 miles long The length of the train is 1/8 mile.How long does it take for the train to pass through thetunnel, from the moment the front enters to the

moment the rear emerges?

13 George and Dick share a certain sum of money in theratio 4 : 5

If Dick has £120 how much money is shared?

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14 Which number in the grid is three places away from

itself plus 5, two places away from itself multiplied by 3,

two places away from itself less 4, three places away

from itself plus 2 and two places away from itself plus 7?

36 12 5 9 10 3

40 7 24 4 21 54

8 27 30 6 17 18

49 25 15 16 15 8

57 9 19 2 14 13

11 20 5 60 22 21

15 In a bag of 10 apples, three of them contain a worm.What are the chances of picking out just two apples andfinding they both contain a worm?

Part two

IQ test one

To which shield below can a dot be added so that

both dots then meet the same conditions as in the shieldabove?

D

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2 Which three pieces will form a perfect square when fittedtogether?

IQ Test One 55

3 What number should replace the question mark?

3 4 6

1 3

4 9 6

2 8

? 3 8

1 5

What comes next?

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When the above is folded to form a cube, just two of the

following can be produced Which two?

4 9 1 6 5

6 6 4 5 7

3 2 7 9 6

3 9 4 8 7

2 8 3 4 3

2 4 6 7 1

5 7 9 5 5

4 6 1 7 2

Find a string of four numbers that is repeated in both theleft and right grids The string may appear horizontally,vertically, diagonally, backwards or forwards in either grid,but always in a straight line

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10

Which is the missing section?

B

11 19 23 6 15

7 12 13

? 44

61 72 49 5 1

75 159 51 27 93

56 36 32 84 40

55 95 115 30 75

42 72 78 60 264

427 504 343 35 7