20mathematicsThere are 8 people on the winning Trivia team, and each person shakes hands with each other person once. How many handshakes take place?Show AnswerShare
8mathematicsIf a bicyclist can drive down a one-mile hill three times as fast as she can ride back up the hill, and the round trip takes 20 minutes, how fast does she drive down the hill in miles per hour?Show AnswerShare
14mathematicsFrom 7th grade math book: This 3 digit number has 3 different digits. The product of the digits is 0, the sum of the digits is 14, and, when the number is divided by 5, the result is a prime number. What number is this?Show AnswerShare
15mathematicsIf four interior angles of a five-sided figure pentagon measure 100 degrees each, what will the fifth angle measure?Show AnswerShare
6mathematicsThe sum of the reciprocals of these two numbers equals ten. One of the numbers is 3 1/2. What is the other?Show AnswerShare
4mathematicsA "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
17mathematicsIf 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
21mathematicsThis region was a kingdom of Czechoslovakia until the 15th century, when it passed to Hungary and then to the Hapsburgs. It became the core of the new state of Czechoslovakia in 1918. Today the name can refer to certain artistic intellectuals. Which regioShow AnswerShare
6mathematicsThe Parthenon was built around 440 B.C. a. To which goddess was the temple dedicated? B. On which hill is it located?Show AnswerShare