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14 answers

the sequence is A*3+2=B and then Let B=A

So A = 161

3*161+2 = 485 is the next

2006-06-24 16:46:37 · answer #1 · answered by NeoArt 6 · 0 0

the sequence is 1+4=5, 5+12=17, 17+36=53, 53+108=161, 161+324=485, so 3*n+a=b

2006-06-24 23:47:10 · answer #2 · answered by crawdaunt 1 · 0 0

Difference between 1 &5 = 4
Diff. bet. 5 &17 = 12; 3 times 4
Diff. between 17 & 53 = 36, 3 times 12
Diff. Bet. 53 & 161 = 108, 3 times 36.

In short, the next number = the previous number in the sequence + 3 times the previous difference
(n+1) = n + 3d

the next number in the sequence must be 161 + 3 times 108
= 161 + 324
= 485

2006-07-01 21:07:44 · answer #3 · answered by Anonymous · 0 0

485

2006-06-25 00:00:30 · answer #4 · answered by Anonymous · 0 0

Yes

2006-06-24 23:44:26 · answer #5 · answered by Anonymous · 0 0

Yes

2006-06-24 23:46:18 · answer #6 · answered by DIY Doc 7 · 0 0

432

2006-06-24 23:45:36 · answer #7 · answered by weepingpeanut 2 · 0 0

485
The difference between each number is 3 times the difference of the numbers before it. (ie. 4,12, 36, 108, etc.)

2006-06-24 23:58:00 · answer #8 · answered by Shean E 1 · 0 0

wel d answer is 485

2006-06-24 23:43:32 · answer #9 · answered by aky 2 · 0 0

485......

2006-06-24 23:45:52 · answer #10 · answered by PDS 2 · 0 0

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