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What is the next number? (Posted on 2005-02-20) Difficulty: 3 of 5
What is the next number in the following series: 17 15 14 13 13 14 17 23 ?

See The Solution Submitted by Swastika Shrivastava    
Rating: 1.2500 (4 votes)

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re(2): SOLUTION | Comment 4 of 12 |
(In reply to re: SOLUTION by suman)

17 15 14 13 13 14 17 23 34

17+15=32 - (18) = 14,

15+14=29 - (16) = 13,

14+13=27 - (14) = 13,

13+13=26 - (12) = 14,

13+14=27 - (10) = 17

14+17=31 - (8) = 23...

So, the last number should be 17+23=40 - (6) =34


  Posted by momo on 2005-02-20 19:28:24
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