P6
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newsgroups: braincell.hot received: from mailqueue by vayu (mercury 1.21); 14 mar 100 22:26:16 ist+530 from: "dipendra chattopadhyay" organization: r.e.c., tiruchirappalli, india to: braincell.hot%[email protected] date: tue, 14 mar 2000 22:25:52 ist+530 subject: r - 6 priority: normal x-mailer: pegasus mail v3.40 hi friends, sorry for being late . the responses to r-5 kept pouring in very late & then there were mid -sems, culfest etc.... if u r ready, here goes r-6 : 1. two painters are painting plaques for the numbers of the houses of puzzle street ( which are consecutive starting with one). in the time it takes the younger one to paint 4 digits, the older painter paints 5 digits. the younger begins with the numbers 1,2, 3.... and the older painter with the last ones. they paint the last house plaque at the same time and each one has painted the same number of plaques. how many houses are there on the street ? 2. a fly sitting on one of the hours around the rim of a 12 hr clock took it into its primitive head ( i.e. decided ) to jump forward the same number of hours as the number of the hour it was first sitting on. it continued in this way with each jump moving the same nunber of hours until it was back where it had started. what are the chances that it visited all the hours before getting back to where it started ? 3. as a sequel to the previous one, the fly alights again on one of the hours around the rim of a 12- hr clock. this time it always jumps forward the same number of hours as the number of the hour it has just alighted on. what are the chances of getting back to where it statred ? please reply as early as possible. enjoy exercising your brain cells. regards, the brain cell.
