Number Series - Logical Reasoning questions and answers with explanation for interviews, entrance tests and competitive exams. Practice online number series logical reasoning and download PDF.

1. 32 31 32 29 32 27 32
### Answer & Explanation

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Answer: Option A

Explanation:

This is an alternating repetition series. The number 32 alternates with a series in which each number decreases by 2.

2. 10 34 12 31 14 28 16
### Answer & Explanation

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Answer: Option A

Explanation:

Two patterns alternate here. The first pattern begins with 10 and adds 2 to each number to arrive at the next; the alternating pattern begins with 34 and subtracts 3 each time.

3. 17 32 19 29 21 26 23
### Answer & Explanation

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Answer: Option C

Explanation:

Here, there are two alternating patterns. The first begins with 17 and adds 2; the second begins with 32 and subtracts 3.

4. 11 14 14 17 17 20 20
### Answer & Explanation

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Answer: Option A

Explanation:

This is a simple addition series with repetition. It adds 3 to each number to arrive at the next, which is repeated before 3 is added again.

5. 42 40 38 35 33 31 28
### Answer & Explanation

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Answer: Option C

Explanation:

This is an alternating subtraction series in which 2 is subtracted twice, then 3 is subtracted once, then 2 is subtracted twice, and so on.