Puzzle of this week - 3

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zprogrammer
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Puzzle of this week - 3

Post by zprogrammer »

Tomorrow is friday and a month-end ..Tripple the fun and tripple the puzzle so keeping it simple

1.Find next in the series 7,9,11,13,15,..
2.Find next in the series 0,1,3,6,10,..
3.Find next in the series 1,11,22,44,88,176,847,....
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Anuj Dhawan
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Re: Puzzle of this week - 3

Post by Anuj Dhawan »

17
15
1694 (doubtful though)
Thanks,
Anuj

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zprogrammer
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Re: Puzzle of this week - 3

Post by zprogrammer »

Ok let's see.. The answers will be disclosed next Thursday :)
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Robert Sample
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Re: Puzzle of this week - 3

Post by Robert Sample »

17
15
1595
zprogrammer
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Re: Puzzle of this week - 3

Post by zprogrammer »

Robert got all three correct..Now time to match the formula :D

Solutions

1.Find next in the series 7,9,11,13,15,..

Code: Select all

The Answer is 17.
Formula : 2n+5 (n : starts from 1) 
2.Find next in the series 0,1,3,6,10,..

Code: Select all

The Answer is 15.
Formula : (n^2/2) - (n/2) (n : starts from 1) 
3.Find next in the series 1,11,22,44,88,176,847,....

Quiet tricky

Code: Select all

The Answer is 1595.
Formula:
1   + reverse(1)   =  1 + 10    = 11
11 + reverse(11)   = 11 + 11    = 22
22 + reverse(22)   = 22 + 22    = 44
44 + reverse(44)   = 44 + 44    = 88
88 + reverse(88)   = 88 + 88    = 176
176 + reverse(176) = 176 + 671  = 847
847 + reverse(847) = 847 + 748  = 1595
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Anuj Dhawan
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Re: Puzzle of this week - 3

Post by Anuj Dhawan »

Not a very good read for a weekend! :)
Thanks,
Anuj

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Re: Puzzle of this week - 3

Post by zprogrammer »

My HDD officially crashed :cry: and upsetting my plans of mastering something ;)

Very bad news for me over weekend

Need to wait some months to get a new PC

Let's c
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