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 Three from Nine (Posted on 2006-04-25)
Nine marbles numbered 1 to 9 are placed in a barrel and three are drawn out, without replacement. Determine -:

1. The probability that the three digit number formed from the marbles in the order drawn is divisible by (a) Five (b) Seven (c) Nine.
2. The probability that a three digit number can be formed by rearranging the marbles drawn, that is divisible by (a) Five (b) Seven (c) Nine.

 No Solution Yet Submitted by Vernon Lewis Rating: 3.5000 (4 votes)

 Subject Author Date No Subject ruti 2006-05-01 16:26:19 Solution Kevin 2006-04-25 17:56:00 Probable Solution Dej Mar 2006-04-25 16:17:09 computer solution Charlie 2006-04-25 15:12:25 re(4): Partial Solution Leming 2006-04-25 14:19:49 re(3): Partial Solution Jer 2006-04-25 13:40:54 re(2): Partial Solution - ? with no answer of my own tomarken 2006-04-25 13:31:25 re: Partial Solution - ? with no answer of my own Leming 2006-04-25 13:22:34 re(2): Partial Solution tomarken 2006-04-25 13:16:20 re: Partial Solution Jer 2006-04-25 13:08:44 Probable solution Jer 2006-04-25 13:04:13 Partial Solution tomarken 2006-04-25 12:30:48

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