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## #1 2016-09-30 06:20:22

### 17 17 34 20 20 31 23?

# General Knowledge Quizzes Sequence Series

**Directions:**

Look carefully for the pattern, and then choose which pair of numbers comes next.

**Question:**

17 17 34 20 20 31 23

**Option A):**

26 23**Option B):**

23 33**Option C):**

23 28**Option D):**

27 28**Option E):**

34 20

**Correct Answer is Option C):**

23 28

**Explanation:**

This is an alternating subtraction series with repetition. There are two different patterns here. In the first, a number repeats itself; then 3 is added to that number to arrive at the next number, which also repeats. This gives the series 17, 17, 20, 20, 23, and so on. Every third number follows a second pattern, in which 3 is subtracted from each number to arrive at the next: 34, 31, 28.

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## 2016-09-30 06:20:22

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### Re: 17 17 34 20 20 31 23?

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