5mathematicsTwo 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 AnswerShare
14mathematicsIf 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 AnswerShare
14mathematicsIf you flip a coin three times, what's the probability of getting at least one "tail"?Show AnswerShare
3mathematicsI'll give a sequence of numbers, and you find the next (missing) number: {2, 3, 6, 12, 22, 37, ? }Show AnswerShare
4mathematicsIf a sports team has won 30 games and lost 20 so far this season, what percentage of their remaining 20 games must they win in order to have a 50% winning season?Show AnswerShare
11mathematicsIn how many different ways can the opening pair of moves be made in a game of chess - one white move followed by one black move.Show AnswerShare
13mathematicsIf you roll three dice at the same time, what's the probability of rolling a sum of 3 or 4?Show AnswerShare
8mathematicsOn a quiz show, you can pick two envelopes. One envelope has $1000 in it, one has $500, one has $300, one has $200, one has $50, and one is empty. How many different amounts can be won?Show AnswerShare
2mathematicsWhat is the smallest positive number which, when divided by 2, 3, 4, 5, and 6, always leaves a remainder of 1?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
