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Sums and Products (Posted on 2003-03-12) Difficulty: 2 of 5
The product of three consecutive numbers when divided by each of them in turn gives three quotients. The sum of these three quotients is equal to 74.

What are the numbers ?

  Submitted by Ravi Raja    
Rating: 2.8000 (10 votes)
Solution: (Hide)
Let the numbers be chosen as (n-1), n and (n+1).
Then the sum of their resulting quotients when their product is divided by each of them is:
n(n+1) + (n+1)(n-1) + n(n-1)
which is equal to 74.
Therefore, we have:
n(n+1) + (n+1)(n-1) + n(n-1) = 74
Which on simplification gives:
(n)^2 = 25 which implies n = (-5) or n = (+5)
Thus, the three consecutive numbers are: (-6,-5,-4) or (4,5,6).

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re(2): Another Solution + misinterpretationGoss22023-06-13 01:33:44
StainlessGoss22023-06-13 01:30:32
Just a hint.....danish ahmed khan2012-10-23 14:44:17
Hints/Tipsre: Another Solution + misinterpretationAdy TZIDON2011-04-26 04:00:50
SolutionSolutionDej Mar2010-07-13 05:18:07
SolutionPuzzle SolutionK Sengupta2007-09-30 05:59:48
answerK Sengupta2007-03-30 10:48:09
the answerThe riddler2005-08-09 02:58:28
answervaradarajan2005-03-02 13:05:19
SolutionBasic Algebra - Back to School !Syzygy2005-01-21 12:10:12
SolutionGeneral Short Cut FormulaJayaram S2003-05-08 23:47:15
Hints/TipsAnother SolutionGamer2003-03-12 10:09:59
SolutionSolutionfwaff2003-03-12 02:27:32
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