# Logical Reasoning - Number Series

## Why Logical Reasoning Number Series?

In this section you can learn and practice Logical Reasoning Questions based on "Number Series" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

## Where can I get Logical Reasoning Number Series questions and answers with explanation?

IndiaBIX provides you lots of fully solved Logical Reasoning (Number Series) questions and answers with Explanation. Solved examples with detailed answer description, explanation are given and it would be easy to understand. All students, freshers can download Logical Reasoning Number Series quiz questions with answers as PDF files and eBooks.

## Where can I get Logical Reasoning Number Series Interview Questions and Answers (objective type, multiple choice)?

Here you can find objective type Logical Reasoning Number Series questions and answers for interview and entrance examination. Multiple choice and true or false type questions are also provided.

## How to solve Logical Reasoning Number Series problems?

You can easily solve all kind of Logical Reasoning questions based on Number Series by practicing the objective type exercises given below, also get shortcut methods to solve Logical Reasoning Number Series problems.

### Exercise :: Number Series - Type 1

In each series, look for the degree and direction of change between the numbers. In other words, do the numbers increase or decrease, and by how much
1.

Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?

 A. (1/3) B. (1/8) C. (2/8) D. (1/16)

Explanation:

This is a simple division series; each number is one-half of the previous number.

In other terms to say, the number is divided by 2 successively to get the next result.

```4/2 = 2
2/2 = 1
1/2 = 1/2
(1/2)/2 = 1/4
(1/4)/2 = 1/8 and so on.```

2.

Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?

 A. 7 B. 10 C. 12 D. 13

Explanation:

This is a simple alternating addition and subtraction series. In the first pattern, 3 is added; in the second, 2 is subtracted.

3.

Look at this series: 36, 34, 30, 28, 24, ... What number should come next?

 A. 20 B. 22 C. 23 D. 26

Explanation:

This is an alternating number subtraction series. First, 2 is subtracted, then 4, then 2, and so on.

4.

Look at this series: 22, 21, 23, 22, 24, 23, ... What number should come next?

 A. 22 B. 24 C. 25 D. 26

Explanation:

In this simple alternating subtraction and addition series; 1 is subtracted, then 2 is added, and so on.

5.

Look at this series: 53, 53, 40, 40, 27, 27, ... What number should come next?

 A. 12 B. 14 C. 27 D. 53