18mathematicsYou have 10 coins, composed of nickels, dimes, and quarters, with a value of $.85. How many nickels, dimes, and quarters do you have?Show AnswerShare
16mathematicsWhat is the smallest positive number which, when divided by 2, 3, 4, 5, and 6, always leaves a remainder of 1?Show AnswerShare
7mathematicsLet's say you take a 2,000 mile automobile trip, and you use five tires equally. How many miles does each tire use?Show AnswerShare
7mathematicsLet's say a slot machine contains three independent spinning reels; each reel has 10 symbols and 3 of them are winners. What's the probability that all three reels will turn up a winner? (write answer as a percent).Show AnswerShare
12mathematicsHow many whole numbers between 100 and 400 contain the digit 2? ... not how many 2's are there...Show AnswerShare
5mathematicsThis mysterious number, the base of a natural logarithm, is related to natural and exponential growth. What is this number called, and what is its decimal value?Show AnswerShare
4mathematicsThe classes in a school run from 8:15 a.m. until 3:06 P.M. . There are 8 class periods with 5 minutes passing time between classes. How long is each class period?Show AnswerShare
15mathematicsAt a wedding reception, the bride and groom lead off the first dance. When the music stops the first time, each of the dancers gets another partner to dance with. When the music stops again, each dancer gets another partner to dance with. How many peopleShow AnswerShare
10mathematicsIf a 6'8" foot long piece of wood is cut so that one piece is one-fourth the size of the other, how long will the longer piece be, in feet and inches?Show AnswerShare
8mathematicsThree people have 12 marbles each. What's the minimum number of marbles that must be moved between these people in order that the resulting ratio is 1:2:3?Show AnswerShare
7mathematicsIf you flip a coin three times, what's the probability of getting at least one "tail"?Show AnswerShare
3mathematicsTwo people dig cylindrical holes in the earth: one hole is two feet in diameter by two feet deep, and the other hole is one foot in diameter by one foot deep. The big hole is how many times the size of the small hole? is it twice as large, three times asShow AnswerShare