1mathematicsThe amount of chemicals in our drinking water is measured in milligrams per liter. The ratio of one milligram per liter is the same as the ratio of one dollar to ... how many?Show AnswerLearn MoreShare
14mathematicsTo the nearest whole number, what is the area of a triangle each of whose sides is 10 inches?Show AnswerLearn MoreShare
9mathematicsIn a single-elimination sports tournament beginning with 64 teams, how many games are played altogether until only one team, the champion, remains?Show AnswerLearn MoreShare
6mathematicsA three digit number contains the digits 9, 5, and another digit. When this three digit number is reversed and subtracted from the original number, the result contains the same three digits as in the original number. What is the third digit?Show AnswerLearn MoreShare
5mathematicsWhat is the reciprocal of the sum of the reciprocals of 2 and 3?Show AnswerLearn MoreShare
15mathematicsIf a rubber band weighs 40 milligrams, how many of them will weigh one kilogram?Show AnswerLearn MoreShare
17mathematicsA driver embarks on a 60 mile drive. He drives half the time at 60 miles per hour and half the time at 30 miles per hour. How much time will this trip take?Show AnswerLearn MoreShare
12mathematicsIn how many different ways could a basketball player score exactly 8 points in a game? (Combinations of foul shots, 2-pointers, and 3-pointers).Show AnswerLearn MoreShare
12mathematicsHow many numbers between 1 and 100 can be written using only the digits {1,2,3,4, and 5}? repeating digits o.k.Show AnswerLearn MoreShare
16mathematicsThere 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 AnswerLearn MoreShare
16mathematics60% of the people at a party are males, and 60% of the females are there with their husbands. What percentage of the people are males who are not married to any of these women?Show AnswerShare
14mathematicsIf the length, width, and height of a rectangular solid box were each increased by 50%, by what percentage would the volume be increased?Show AnswerLearn MoreShare
13mathematicsIn how many different ways can a poker player form a straight flush from a normal deck of 52 cards, no wild cards?Show AnswerLearn MoreShare
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