9mathematicsHow many numbers between 1 and 100 can be written using only the digits {1,2,3,4, and 5}? repeating digits o.k.Show AnswerShare
3mathematicsThe 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
3mathematicsThe number 222, written in base three number system, would be equal to what number in base 10?Show AnswerShare
14mathematicsWhat is the largest three-digit number that is divisible by 4, 5, and 6?Show AnswerShare
10mathematicsThree sisters have a total of $91. The first sister has 20% more than the second and the second sister has 20% more than the third. How much does the first sister have?Show AnswerShare
9mathematicsAs you sit in your stopped car at a railroad crossing, a train travelling at 60 miles per hour takes twenty seconds to pass you. How many feet long is the train?Show AnswerShare
3mathematicsIf two sides of a triangle are 20 and 25 inches in length, the the length of the third side must lie between what two numbers?Show AnswerShare
2mathematicsA high school senior said she knows all the seniors, half the juniors, 1/3 of the sophomores, and 1/4 of the freshmen. If each class has the same numbers of students, then she knows what fraction of the school?Show AnswerShare
9mathematicsEvaluate the given trigonometric expression: The sine of a 420 degree angle, in non-decimal form (exact answer)Show AnswerShare
18mathematicsIf you have 1000 pennies, 1000 nickels, 1000 dimes, 1000 quarters, and 1000 half dollars, then how much do you have altogether?Show AnswerShare
15mathematicsA town in India has 20,000 inhabitants. 5% of the inhabitants are one-legged, and half the others go barefoot. How many sandals are worn in this town?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
