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i Ultimate iQ tests thirdeditiON 1,000 practice test questions to boost your brainpower PhiliPCarter KeNrUssell
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ii Publisher’s note Every possible effort has been made to ensure that the information contained in this book is accurate at the time of going to press, and the publishers and authors cannot accept responsibility for any errors or omissions, however caused. No responsibility for loss or damage occasioned to any person acting, or refraining from action, as a result of the material in this publication can be accepted by the editor, the publisher or either of the authors. Tests included in this book have previously been included in The Times Book of IQ Tests: Book 1 (2001), The Times Book of IQ Tests: Book 3 (2003) and The Times Book of IQ Tests: Book 5 (2005) published by Kogan Page. First published in Great Britain and the United States in 2006 as The Ultimate IQ Test Book by Kogan Page Limited Reissued in 2009 as Ultimate IQ Tests Second edition 2012 Third edition 2015 Apart from any fair dealing for the purposes of research or private study, or criticism or review, as permitted under the Copyright, Designs and Patents Act 1988, this publication may only be reproduced, stored or trans mitted, in any form or by any means, with the prior permission in writing of the publishers, or in the case of reprographic reproduction in accordance with the terms and licences issued by the CLA. Enquiries concerning reproduction outside these terms should be sent to the publishers at the undermentioned addresses: 2nd Floor, 45 Gee Street 1518 Walnut Street, Suite 1100 4737/23 Ansari Road London EC1V 3RS Philadelphia PA 19102 Daryaganj United Kingdom USA New Delhi 110002 www.koganpage.com India © Philip Carter and Ken Russell, 2006, 2009, 2012, 2015 The right of Philip Carter and Ken Russell to be identified as the author of this work has been asserted by them in accordance with the Copyright, Designs and Patents Act 1988. ISBN 978 0 7494 7430 0 E ISBN 978 0 7494 7431 7 British Library Cataloguing-in-Publication Data A CIP record for this book is available from the British Library. Library of Congress Cataloging-in-Publication Data Carter, Philip J. Ultimate IQ tests : 1000 practice test questions to boost your brainpower / Philip Carter, Ken Russell. – Third edition. pages cm ISBN 978 0 7494 7430 0 (paperback) – ISBN 978 0 7494 7431 7 (ebk) 1. Intellect. 2. Intelligence tests. 3. Self evaluation. I. Russell, Kenneth A. II. Title. BF431.3.C373 2015 153.9'3–dc23 2015015475 Typeset by Graphicraft Limited, Hong Kong Print production managed by Jellyfish Printed and bound by CPI Group (UK) Ltd, Croydon, CR0 4YY
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iii CONteNts Introduction 1 Test 1 Questions 4 Test 2 Questions 15 Test 3 Questions 26 Test 4 Questions 37 Test 5 Questions 46 Test 6 Questions 56 Test 7 Questions 67 Test 8 Questions 78 Test 9 Questions 88 Test 10 Questions 98 Test 11 Questions 108 Test 12 Questions 119 Test 13 Questions 129 Test 14 Questions 140 Test 15 Questions 151 Test 16 Questions 162 Test 17 Questions 173 Test 18 Questions 185 Test 19 Questions 197 Test 20 Questions 208 Test 21 Questions 218 Test 22 Questions 230 Test 23 Questions 240 Test 24 Questions 252 Test 25 Questions 263 Answers and explanations 272
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1 iNtrOdUCtiON Of the different methods that purport to measure intelligence, the most famous is the IQ (Intelligence Quotient) test, which is a standardized test designed to measure human intelligence as distinct from attainments. Intelligence quotient is an agerelated measure of intelligence level. The word quotient means the result of dividing one quantity by another, and one definition of intelligence is mental ability or quickness of mind. Usually, IQ tests consist of a graded series of tasks, each of which has been standardized with a large representative population of individuals in order to estab lish an average IQ of 100 for each test. It is generally accepted that a person’s mental ability develops at a constant rate until about the age of 13, after which development has been shown to slow down, and beyond the age of 18 little or no improvement is found. When the IQ of a child is measured, the subject attempts an IQ test that has been standardized, with an average score recorded for each age group. Thus a 10year old child who scored the result that would be expected of a 12yearold would have an IQ of 120, or 12/10 × 100: mental age (12) ×100 = 120 IQ chronological age (10) Because after the age of 18 little or no improvement is found, adults have to be judged on an IQ test whose average score is 100, and the results graded above and below this norm according to known test scores. Like so many distributions found in nature, the distribution of IQ takes the form of a fairly regular bell curve (see Figure 0.1 overleaf) in which the average score is 100 and similar proportions occur both above and below this norm. There are a number of different types of intelligence tests, for example Cattell, StanfordBinet and Wechsler, and each has its own different scales of intelligence. The StanfordBinet is heavily weighted with questions involving verbal abilities and is widely used in the United States. The Weschler scales consist of two separate verbal and performance subscales each with its own IQ rating. On the Stanford Binet scale half the population fall between 90 and 110 IQ, half of them above 100 and half of them below; 25 per cent score above 110; 11 per cent above 120; 3 per cent above 130 and 0.6 per cent above 140. At the other end of the scale the same kind of proportion occurs.
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2 ULTImATE IQ TESTS Figure 0.1 The bell curve % of population 0 100 170 IQ score Although it is IQ tests that we are specifically concerned with in this book it should be pointed out that IQ tests are just one part of what is generally referred to as psycho metric testing. Such test content may be addressed to almost any aspect of our intellectual or emotional makeup, including personality, attitude, intelligence or emo tion. Psychometric tests are basically tools used for measuring the mind; the word metric means measure and the word psycho means mind. For further reading and practice questions on psychometric tests, please refer to Ultimate Psychometric Tests (Bryon, 2015) in the same series. There are two types of psychometric tests that are usually used in tandem by employers. These are aptitude tests, which assess your abilities, and personality questionnaires, which assess your character and personality. Aptitude tests are also known as cognitive, ability or intelligence (IQ) tests. Such tests are designed to test your ability to comprehend quickly under strictly timed con ditions. Cognition may be broadly defined as knowing, perceiving and thinking and it is studied by psychologists because it reveals the extent of a person’s ability to think. There are many different types of tests. However, a typical test might consist of three sections each testing a different ability, usually comprising verbal reasoning, numerical ability and diagrammatic, or spatial, reasoning. For further reading and practice questions on aptitude tests, please refer to Ultimate Aptitude Tests (Barrett & Barrett, 2015) in the same series. In order to give you the opportunity to practise all types of questions that you are likely to encounter in actual IQ tests, the tests that have been compiled for this book are multidiscipline and include a mix of verbal, numerical and diagrammatic questions, as well as additional questions involving logical thought processes as well as a degree of lateral thinking. In the past 25 years psychometric testing has been brought into widespread use in industry because of the need for employers to ensure they place the right people in the right job at the outset. One of the main reasons for this is the high cost of errors in today’s world of tight budgets and reduced profit margins. To recruit a new member of staff an employer has to advertise, consider each application, reduce the applicants to a shortlist, interview and then train the successful applicant. If the wrong hiring choice has been made, then the whole expensive process has to be repeated. It is important that such tests are evaluated in tandem with each other. If a person scores well on an aptitude test it does not necessarily mean that they will be suited
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INTRODUCTION 3 to the job: whilst you may be good at doing something, you may dislike it intensely, and success in most tasks is heavily dependent on your personal qualities and your attitude. Although it is generally accepted that a person’s IQ remains constant throughout life and therefore it is not possible to increase your actual IQ, it is possible to improve your performance on IQ tests by practising the many different types of question and learning to recognize the recurring themes. Besides their uses in improving one’s performance on IQ tests, practice on the type of questions contained in this book has the added advantage of exercising the brain. Our brains need exercise and care in the same way as other parts of the body. We eat the right foods to keep our heart healthy, we moisturise our skin to keep it from drying out and, just as gymnasts strive to increase their performance at whatever level they are competing by means of punishing training schedules and refinement of technique, there are exercises, or mental gymnastics, we can do to increase the performance of our brains and enhance quickness of thought. many people still have the outdated belief that there is little they can do to improve the brain they are born with and that brain cells continually degenerate with age: but, in fact, our brain cells continually develop new and stronger connections and adult brains can grow new cells irrespective of age. The main thing is to use your brain continually. For example, the more we practise at tests of verbal aptitude the more we increase our ability to understand the meaning of words and use them effectively; the more we practise at maths the more confident we become when working with numbers, the better our ability to perform arithmetic operations accurately, and the quicker we become at performing these operations; and the more we practise our ability to move our fingers and manipulate small objects the more dextrous we become at operations involving this type of aptitude, and the quicker we become at performing them accurately. The tests that follow have been compiled for this book and are not, therefore, standardized, so an actual IQ assessment cannot be given. However, a guide to assessing your performance for each test is provided below as well as a cumulative guide for your overall performance on all 25 tests. This new edition also includes an entirely new and more challenging test that has been designed to allow you to evaluate your progress as you reach the last test of the book. A time limit of 90 minutes is allowed for each test. The correct answers are given at the end of the book, and you should award yourself one point for each completely correct answer. Calculators may be used to assist with solving numerical questions if preferred. Use the following table to assess your performance in each of the 25 tests: Score rating Score rating 36–40 Exceptional 19–24 Good 31–35 Excellent 14–18 Average 25–30 Very good
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4 test 1 Questions 1 Which piece below, when fitted into the piece on the left, will form a perfect square? A B C D E
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TEST 1 QUESTIONS 5 2 Which word in brackets is most opposite to the word in capitals? PROSCRIBE (allow, stifle, promote, verify, indict) 3 0, 1, 2, 4, 6, 9, 12, 16, ? What number should replace the question mark? 4 Which number is the odd one out? 9678 4572 5261 5133 3527 6895 7768 5 Isotherm is to temperature as isobar is to: atmosphere, wind, pressure, latitude, current 6 1 2 4 7 4 ? 7 10 6 ? ? 12 7 8 10 ? Which is the missing section? 6 5 8 10 9 7 12 13 A B 6 5 7 8 7 9 14 13 C D
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6 ULTImATE IQ TESTS 7 Which is the odd one out? A B C D E 8 Identify two words (one from each set of brackets) that have a connection (analogy) with the words in capitals and relate to them in the same way. GRAm (energy, weight, scales) KNOT (water, rope, speed) 9 56 19 28 7 7 Each number in the pyramid is the sum of the two numbers immediately below it. Fill in the pyramid with the missing numbers.
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TEST 1 QUESTIONS 7 10 Which is the odd one out? A B C D E 11 How many minutes is it before 12 noon, if 48 minutes ago it was twice as many minutes past 9 am? 12 Complete the five words below in such a way that the two letters that end the first word also start the second word, and the two letters that end the second word also start the third word etc. The same two letters that end the fifth word also start the first word, to complete the cycle. ** IV ** ** OT ** ** IC ** ** NG ** ** RA ** 13 Which is the odd one out? heptagon, triangle, hexagon, cube, pentagon
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8 ULTImATE IQ TESTS 14 Switch A turns lights 1 and 2 on/off or off/on Switch B turns lights 2 and 4 on/off or off/on Switch C turns lights 1 and 3 on/off or off/on = ON = OFF= ON Switches C, A and B are thrown in turn with the result that Figure 1 turns into= OFF 1 Figure 2. Which switch does not work at all?1 2 2 1 1 3 3 2 2 4 4 3 3 Figure 14 Figure 24 Figure 1 Figure 2 15 Which is the missing tile? A B C D E 16 Which word in brackets is closest in meaning to the word in capitals? BRUNT (dull, edifice, impact, tawny, nonsense)
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TEST 1 QUESTIONS 9 17 Which of the following is not an anagram of a type of food? PAST EIGHT I CAN ROAm WIN BOAR CAN PEAK COOL CHEAT 18 3 6 2 7 4 21 16 3 ? What number should replace the question mark? 19 N O I A R O S L F E Work from square to adjacent square horizontally or vertically (but not diago nally) to spell out a 12letter word. You must find the starting point, and provide the missing letters. 20 How many lines appear below?
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10 ULTImATE IQ TESTS 21 Which is the missing tile? A B C D E F 22 67/ , 29/ , 55/8, 33/ , 43/ , ? 8 16 16 8 What number should replace the question mark? 23 I Y U G L S O L G T P N O L I T Work clockwise round the circles to spell out two eightletter words that are synonyms. Each word commences in a different circle, and you must find the starting point of each. Every letter is used once each and all letters are consecutive.
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TEST 1 QUESTIONS 11 24 10, 30, 32, 96, 98, 294, 296, ?, ? What two numbers should replace the question marks? 25 able, rot, son, king Which word below shares a common feature with all the words above? line, sit, take, hope, night 26 Identify two words (one from each set of brackets) that have a connection (analogy) with the words in capitals and relate to them in the same way. SEA (wet, swimmer, ship) SNOW (mountain, ice, skier) 27 Which word meaning LOCALITY becomes a word meaning TEmPO when a letter is removed? 28 Alf has four times as many as Jim, and Jim has three times as many as Sid. Altogether they have 192. How many has each? 29 Which is the only one of the following that is not an anagram of a word meaning out of this world? flow under sexed Utah enviable blue icier blend 30 A man has 53 socks in his drawer: 21 identical blue, 15 identical black and 17 identical red. The lights are fused and he is completely in the dark. How many socks must he take out to make 100 per cent certain he has a pair of black socks? 31 Draw the missing figure in the above sequence. 32 How many minutes is it before 12 noon if nine minutes ago it was twice as many minutes past 10 am?
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12 ULTImATE IQ TESTS 33 Which two words are closest in meaning? conclave, medley, theme, conglomeration, dissertation, augury 34 broke rage prose cute dared ? Which word is missing? palm hymn evil snow take 35 Find five consecutive numbers below that total 22. 7 3 9 6 4 1 3 7 9 3 5 4 1 7 6 5 36 To which hexagon below can a dot be added so that both dots then meet the same conditions as the two dots in the hexagon above? A B C D E
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TEST 1 QUESTIONS 13 37 Find two words (4, 6) in this diagram. Letters are traced across the circle by chords. If the next letter is four letters or less away it will be found by tracing around the circumference. Clue: free flight. B A Z C Y D X E W F V G U H T I S J R K Q L P M N O 38 A H B G C F D E What letter is directly opposite the letter that is two letters away clockwise from the letter that is directly opposite the letter E?
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14 ULTImATE IQ TESTS 39 9 7 2 5 7 6 4 6 ? 8 What number should replace the question mark? 40 Which is the missing section? A B C D
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15 test 2 Questions 1 What comes next? A B C D E 2 Which fourletter word, when placed in the brackets, will complete a word on the left and start another word on the right? RAm (****) RIDGE
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