NUTTY NUMBER RIDDLES Rose Wyler and Eva-Lee Baird by Illustrated Whitney Darrow, Jr. . J793.74 K C. Wy er Rose 1 , Nutty number riddles PUBLIC LIBRARY Fort Wayne and Allen County, Indiana sro 793. 74 j Wyler, Rose. Nutty number riddles By RoseWyler and Eva-Lee Baird Illustrated by Whitney Darrow, Jr. DOUBLEDAY & COMPANY, INC., GARDEN CITY, NEW YORK Library of Congress Cataloging in Publication Data Wyler, Rose. Nutty number riddles. SUMMARY: Mathematical riddles and puzzles to amuse and challenge young minds. — — 1. Mathematical recreations Juvenile literature. 2. Riddles Juvenile litera- ture. [1. Mathematical recreations. 2. Riddles] I. Baird, Eva-Lee, joint author. II. Darrow, Whitney, Jr., 1909- III. Title. QA95.W95 793.7,4 isbn: 0-385-00602-0 Trade 0-385-00685-3 Prebound Library of Congress Catalog Card Number 74-33695 © Text Copyright 1977 by Rose Wyler and Eva-Lee Baird © Illustrations Copyright 1977 by Whitney Darrow, Jr. ALL RIGHTS RESERVED PRINTED IN THE UNITED STATES OF AMERICA FIRST EDITION 1950686 COUNT UP COUNT DOWN But watch for twists and turns in these nutty questions. They sometimes lead to sensible answers.