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Last Quiz Question

 
 
Reply Sat 14 Oct, 2006 04:09 am
Help please.

Logically which number should replace the ? in this series: 29 216 128 108 62 54 ? 27.

Are you out there fresco?
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Type: Discussion • Score: 1 • Views: 783 • Replies: 7
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fresco
 
  1  
Reply Sat 14 Oct, 2006 11:58 pm
I've looked at this.

The problem with a straight number sequence is obviously "29" .

Are you sure of that item ?
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upandrunning
 
  1  
Reply Sun 15 Oct, 2006 02:41 am
Good Morning fresco, I have just checked the numbers and they are wrong, they should read, 260 216 128 108 62 54 ? 27. SORRY!
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lmur
 
  1  
Reply Sun 15 Oct, 2006 03:20 am
upandrunning wrote:
Good Morning fresco, I have just checked the numbers and they are wrong, they should read, 260 216 128 108 62 54 ? 27. SORRY!



Appears to be two sequences here.

Taking the even-numbered terms of the sequence, the 4th, 6th and 8th numbers are simply half the value of the previous term.

3rd and 5th numbers are (half the value of the previous term) minus two.

Thus term 7 is (62/2)-2 = 29.

Hope that's right!
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upandrunning
 
  1  
Reply Sun 15 Oct, 2006 03:52 am
Good Morning lmur, many thanks for your answer, I will go with 29.
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lezzles
 
  1  
Reply Sun 15 Oct, 2006 03:55 am
That's what I came up with also, lmur.

Good luck upandrunning.
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lezzles
 
  1  
Reply Sun 15 Oct, 2006 03:56 am
That's what I came up with also, lmur.

Good luck upandrunning.
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upandrunning
 
  1  
Reply Sun 15 Oct, 2006 04:43 am
Many thanks lezzles, appreciated.
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