17mathematicsA Rubik's cube is composed of 27 equal sized blocks, colored on the outside. Some are colored on three sides, some two sides, some one side. How many of these blocks have colors exactly one or two sides?Show AnswerShare
10mathematicsIf 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
9mathematicsIf the population of a city grows at 10% per year, it will double in approximately how many years? (to nearest year)Show AnswerShare
13mathematicsIn how many different ways can a poker player form a straight flush from a normal deck of 52 cards, no wild cards?Show AnswerShare
3mathematicsWhat is the area, to nearest whole number, of an equilateral triangle whose perimeter is 300 meters?Show AnswerShare
9mathematicsHow many whole numbers between 100 and 400 contain the digit 2? ... not how many 2's are there...Show AnswerShare
12mathematicsEvaluate the given trigonometric expression: The sine of a 420 degree angle, in non-decimal form (exact answer)Show AnswerShare
16mathematicsIf you roll a pair of dice, what is the probability that the sum of the dice will be an even number greater than 5? Give answer as a percentage probability.Show AnswerShare
18mathematicsWhat is the total surface area, in square feet, of a board that is 12 feet long, six inches wide, and two inches thick?Show AnswerShare
2mathematicsIf an airplane flies 100 miles due north, then turns and flies 100 miles directly northeast, how far is it then from the original starting point, to the nearest mile? margin 3 miles for calculation errors.Show AnswerShare
4mathematicsThe fastest runners in the world, people who can run 100 yards in about 10 seconds, are moving at how many miles per hour?Show AnswerShare
19mathematicsCan you describe in words the set of all numbers, if any, that are larger than their squares?Show AnswerShare
5mathematicsIn order to estimate the population of fish in a lake, a biologist catches 75 fish, marks them, releases them. Next month she catches 75 fish and finds that 5 are tagged. Use this to estimate the fish population in the lake.Show AnswerShare