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The answer is 27.
The pattern is this: 2 (+7) 9 (-4) 5 (+8) 13 (-3) 10 (+9) 19 (-2) 17 (+10) 27 (-1) 26 and so on. Notice the two patterns (+7, +8, +9, +10, etc.) and (-4, -3, -2, -1, etc.) that show up when you look at the differences between each pair of numbers in the series.
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Earn +20 ptsQ: What is the next number 2 9 5 13 10 19 17?
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What number goes next 7-8-10-13-17?
You will notice that in the series you describe, each number increases by an amount that is one more than the previous increase, so 7 + 1 = 8, 8 + 2 = 10, 10 + 3 = 13, 13 + 4 = 17. The next sequence will require adding 5 to 17, giving us 22.
What is the next number in this series 35 28 22 17 13 10 8?
6
What are the prime numbers between 10-20?
The prime numbers between 10 and 20 are 11, 13, 17, and 19.
What is the next number 2 3 5 7 11 13 17?
19 23 29 31 and so on. All prime numbers
Prime numbers between 10 and 20?
11, 13, 17, 19
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