Mon 27 Oct, 2008 01:25 am - There are n dots on a plane (flat surface). There are two players, A and B, who move alternatively; A moves first. The rules of the game are the same for both players: at each move they can connect... (view)
Thu 23 Oct, 2008 05:14 pm - hmm but still what would happen at the end : cos i got the equation 2584x + 4181y = 1000000, but then i rearranged to the general equation of a line. So
y = (1000000-2584x) / 4181. Subbed in your... (view)
Thu 23 Oct, 2008 03:44 pm - hmm how did you get that ? because what i was doing was saying at the first stage the deposit was x dollars, and the second stage was y dollars, so the third deposit was 1st Deposit + 2nd Deposit =... (view)
Wed 22 Oct, 2008 04:55 pm - A successful businessman opened a retirement account by depositing a certain amount of money (some dollars, no cents) just before the end of a year. He made another deposit (again, some dollars, no... (view)
Mon 15 Sep, 2008 01:16 am - A washing detergent company is running a new promotion. Each box of washing detergent contains exactly one coupon randomly selected (with equal probability) from six different types of coupons. To... (view)
Mon 8 Sep, 2008 12:33 am - A bag contains a single ball, which is known to be either white or black (with equal probability). A white ball is put in, the bag is shaken, and a ball is then randomly removed. The removed ball... (view)
Mon 1 Sep, 2008 12:27 am - Part 1.
Six travellers approach a bridge together at night and their respective times for crossing the bridge are 1, 3, 4, 6, 8, and 9 minutes. What is the best way to schedule them to get all of... (view)
Mon 25 Aug, 2008 07:15 am - Four married couples, Mr. & Mrs. White, Mr. & Mrs. Green, Mr. & Mrs. Brown, and Mr. & Mrs. Black had dinner together. They sat at the round table in such a way that men and women... (view)
Thu 21 Aug, 2008 10:11 am - Three married couples must cross the river. There is one boat that is able to carry two people at the time. None of the ladies is willing to be in the boat or ashore with any of the other men... (view)
Thu 21 Aug, 2008 10:10 am - One hundred large boxes are placed on the table. Some of these boxes are selected and into each of them 8 smaller boxes are placed. Then some of these smaller boxes are selected and into each of... (view)
