By C. R. Wylie Jr.
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Extra info for 101 Puzzles in Thought and Logic (Math & Logic Puzzles)
I am a year older than Mary. I am not the youngest. Mary and I are three years apart. Mary is twenty-five. I am younger than Grace. Grace is twenty three. Helen is three years older than Grace. It is of course too much to expect that three young women should be entirely truthful when speaking of their ages, and in the present instance only two of the three statements made by each girl are true. Can you deduce the age 0/ each one? 51 Three men were once arrested for a crime which beyond a shadow of a doubt had been committed by one of them.
Dl name, and to whom would each man speak? 39 Six men, Andrews, Blaine, Colter, Doister, Ebert, and Fisher, are the only members eligible for the offices of president, vice-president, and secretary in a certain organization. If Andrews won't be an officer unless Ebert is president, Blaine won't serve if he outranks Colter, Blaine won't serve with Fisher under any conditions, Colter won't serve with both Ebert and Fisher, Colter won't serve if Fisher is president or Blaine is secretary, Doister won't serve with Colter or Ebert unless he outranks them, Ebert won't be vice-president, Ebert won't be secretary if Doister is an officer, Ebert won't serve with Andrews unless Fisher serves too, Fisher won't serve unless either he or Colter is president, How can the three offices be filled?
There are more children than adults, more adults than boys, more boys than girls, and more girls than families. There are no childless couples, and no two families have the same number of children. 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.