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501 CHALLENGING LOGIC AND REASONING PROBLEMS phần 1
501
CHALLENGING
LOGIC AND
REASONING
PROBLEMS
501
CHALLENGING
LOGIC AND
REASONING
PROBLEMS
2nd Edition
®
NEW YORK
Copyright © 2005 LearningExpress, LLC.
All rights reserved under International and Pan-American Copyright Conventions.
Published in the United States by LearningExpress, LLC, New York.
Library of Congress Cataloging-in-Publication Data:
501 challenging logic & reasoning problems.
p. cm.—(LearningExpress skill builders practice)
Includes bibliographical references.
ISBN 1-57685-534-1
1. Logic—Problems, exercises, etc. 2. Reasoning—Problems, exercises, etc.
3. Critical thinking—Problems, exercises, etc. I. LearningExpress (Organization)
II. Title: 501 challenging logic and reasoning problems. III. Series.
BC108.A15 2006
160'.76—dc22
2005057953
Printed in the United States of America
987654321
Second Edition
ISBN 1-57685-534-1
For information or to place an order, contact LearningExpress at:
55 Broadway
8th Floor
New York, NY 10006
Or visit us at:
www.learnatest.com
Contents
INTRODUCTION vii
QUESTIONS 1
ANSWERS 99
v
Introduction
T his book—which can be used alone, with other logic and reasoning texts of your choice, or in com-
bination with LearningExpress’s Reasoning Skills Success in 20 Minutes a Day—will give you practice
dealing with the types of multiple-choice questions that appear on standardized tests assessing logic,
reasoning, judgment, and critical thinking. It is designed to be used by individuals working on their own and by
teachers or tutors helping students learn, review, or practice basic logic and reasoning skills. Practice on 501 logic
and reasoning questions will go a long way in alleviating test anxiety, too!
Maybe you’re one of the millions of people who, as students in elementary or high school, never understood
the necessity of having to read opinion essays and draw conclusions from the writer’s argument. Or maybe you
never understood why you had to work through all those verbal analogies or number series questions. Maybe you
were one of those people who could never see a “plan of attack” when working through logic games or critical think-
ing puzzles. Or perhaps you could never see a connection between everyday life and analyzing evidence from a
series of tedious reading passages. If you fit into one of these groups, this book is for you.
First, know you are not alone. It is true that some people relate more easily than do others to number series
questions, verbal analogies, logic games, and reading passages that present an argument. And that’s okay; we all
have unique talents. Still, it’s a fact that for most jobs today, critical thinking skills—including analytical and log-
ical reasoning—are essential. The good news is that these skills can be developed with practice.
Learn by doing. It’s an old lesson, tried and true. And it’s the tool this book is designed to give you. The 501
logic and reasoning questions that follow will provide you with lots of practice. As you work through each set of
questions, you’ll be gaining a solid understanding of basic analytical and logical reasoning skills—all without mem-
orizing! The purpose of this book is to help you improve your critical thinking through encouragement, no
frustration.
vii
– INTRODUCTION –
A n Over view Working on Your Own
If you are working alone to improve your logic skills or
prepare for a test in connection with a job or school,
501 Challenging Logic and Reasoning Problems is
you will probably want to use this book in combination
divided into 37 sets of questions:
with its companion text, Reasoning Skills Success in 20
Minutes a Day, 2nd Edition, or with some other basic
Sets 1–4: Number Series
reasoning skills text. If you’re fairly sure of your basic
Sets 5–6: Letter and Symbol Series
logic and reasoning abilities, however, you can use 501
Sets 7–8: Verbal Classification
...