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davey b | 18:26 Mon 27th Oct 2008 | Quizzes & Puzzles
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Can anyone help and explain. What is the next number in the sequence: 7, 10, 13, 18, 25, 36, ?
  
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could be 47 increase by two each time. I can't explain the 7 and 10 though.
53

7 + 10 = 17 - 4 = 13
10 + 13 = 23 - 5 = 18
13 +18 = 31 - 6 = 25
18 + 25 = 43 - 7 = 36
25 + 36 = 61 - 8 = 53
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Thanks novalis, that's a relief.

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