Logical Strategy: Casework
Read this topicExplanations 2
- The Census Taker Problem A census taker approaches a house and asks the woman who answers the door "How many children do you have, and what are their ages?" The woman replies "I…
By Zi Song Yeoh, Alex Federspiel
- Suppose a task can be done by either method one or method two. If there are mmm ways to use method one, nnn ways to use method two and there is no way common to methods one and …
By Benjamin Qi
Problems 5
- In a version of BASIC programming language, the name of a variable is a string of either one or two alphanumeric characters (An alphanumeric characters is either one of the 26 E…
- A salesman travels among 3 cities. He will be in one city one day and another city next day. How many routes he may have traveled if he started from city A and come back to it a…
- How many numbers greater than 4,000,000 can be formed from the digits in {2,3,4,4,5,5,5}?\{2, 3, 4, 4, 5, 5, 5\}?{2,3,4,4,5,5,5}?
- Frankenstein, Dracula, The Mummy, The Wolfman, Dr. Jekyll, and The Bride of Frankenstein all go into a dark costume closet, which they know contains 10 hats which are perfectly …
- What is their table number?