15mathematicsThe minute hand of a clock is three inches long. About how many feet does the tip of that hand move in one day?Show AnswerShare
7mathematicsThere are 17 hours difference in time zones between San Francisco and Tokyo. If an airplane leaves Tokyo at 3 p.m. on Friday, and flies 10 hours to San Francisco, what day and time does it arrive in SF? (don't forget to write am or pm and the day)Show AnswerShare
6mathematicsA bicycle wheel whose tire radius is 14 inches is rotating at 120 revolutions per minute. How fast is the bicycle moving in feet per second (to the nearest whole number)?Show AnswerShare
1mathematicsA restaurant is owned by three partners. Partner "A" owns 3/5 of it, and partner "B" owns twice as much as partner "C". What percentage of the restaurant belongs to partner B?Show AnswerShare
14mathematicsDrivers in the Indianapolis 500 motor race cover 200 laps of the course. If a race car driver maintained a speed of 200 miles per hour for an entire lap, how long would it take him to negotiate that lap?Show AnswerShare
6mathematicsAlan and Brigitte are beginning a bike race. Alan begins riding at 12 miles per hour, and ten minutes later Brigitte begins riding at 15 miles per hour. How many minutes will it take her to catch up to Alan?Show AnswerShare
14mathematicsThe numbers game: if I said, 24 = # of h. in a d., you would say "hours in a day." See if you can figure out this one: 9 = # of p. in the s.s.Show AnswerShare
2mathematicsA 19th century mathematician once stated that he was x years old in the year x2. In what year was he born?Show AnswerShare
2mathematicsIf a bicycle drives 2 miles in 5 minutes, then drives the next 2 miles in 10 minutes, what is the bike's average speed for this entire trip, in miles per hour?Show AnswerShare
7mathematicsWhat is the minimum number tennis shots that could be hit by both players in a complete set of tennis?Show AnswerShare
2mathematicsIf all the films showing in America attracted one billion attendees in a year, and the US has 270 million inhabitants, then on average, each person went to how many films in that year?Show AnswerShare
16mathematicsYou have five books, and want to take three with you on vacation. How many different 3-book combinations could you take?Show AnswerShare
19mathematicsA "perfect number" is one in which the sum of the divisors of the number add up to the number. The first "perfect number" is 6, because its divisors are 1,2,3. What is the second perfect number?Show AnswerShare