By C. R. Wylie Jr.
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Extra resources for 101 Puzzles in Thought and Logic (Math & Logic Puzzles)
For instance, of their ample brood seven wouldn't touch spinach, six wouldn't eat carrots, and five wouldn't eat beans. Four would eat neither spinach nor carrots, three would eat neither spinach nor beans, and two would touch neither carrots nor beans. One of the children wouldn't eat spinach, carrots, or beans. And none would eat all three of the vegetables. How many children were there in the family? 32 In a certain apartment house occupied exclusively by young married couples and their children the following facts are known to be true.
Every girl has at least one brother and at most one sister. One family has more children than all the others put together. H ow many families are there, and how many boys and girls are there in each family? 33 One afternoon Mrs. Marshall, Mrs. Price, Mrs. Torrey, and Mrs. Winters went shopping together, each with two errands to perform. One of the women had to visit the hardware store, two needed to go to the bank, two needed to go to the butcher shop, and all but one needed to buy groceries. Their shopping was simplified quite a bit by the fact they lived in a small town which had only one store of each kind and only one bank.
0/ candidates did the committee finally 41 In a certain organization there are eight men eligible to serve on a newly established committee of four. The selection of the members is not an easy matter, however, for there are jealousies and attachments among the candidates which prevent a free choice of four committeemen. If you were the president of the organization could you select a committee of four satisfying all these whims? Ames will serve with anybody. Brown won't serve unless Clayton serves.