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
7mathematicsIf you flip a coin three times, what's the probability of getting at least one "tail"?Show AnswerLearn MoreShare
15mathematicsIf a rubber band weighs 40 milligrams, how many of them will weigh one kilogram?Show AnswerLearn MoreShare
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 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
3mathematicsIf you roll a pair of dice once, which is a more likely outcome? An odd sum or an even sum, or are they both equally likely?Show AnswerLearn MoreShare
10mathematicsIf a clock started ticking on January 1, by which date would it reach one million seconds? By January 12 or February 12?Show AnswerLearn MoreShare
6mathematicsIn a scale model drawing of a car, the linear scale is 1:20. If it would take 1/4 liter of paint to cover the outside of the model of the car, how much paint would it take to cover the real car?Show AnswerLearn MoreShare
20mathematicsWhat is the highest possible score you could get in a game of bowling without throwing even one strike?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
14mathematicsOne bicyclist can ride around a circular track in four minutes, a second in five minutes, and a third in six minutes. If all three riders begin at the same time, how long will it be until they coincide the next time?Show AnswerLearn MoreShare
7mathematicsA person is rowing a boat 2 miles from shore, at 5 miles per hour. Immediately on arrival at the shore he takes a taxi 5 miles down the shore, averaging 20 miles per hour. How long will this trip take?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