**Category : **1st Class

**Mental Aptitude**

**Introduction**

In mental aptitude, there are questions in which you have to think about the question in a logical way. The questions of mental aptitude may be based on numbering of alphabets, completing the patterns of drawings or shapes, finding the missing figures or finding the number patterns. There is a certain relationship between the things.

Given in the patterns. You can easily answer such type of questions by observing that relationship given in the questions.

**Concept of Patterns**

In this chapter you will learn various patterns based on shape, size and number, patterns are particular arrangements.

**Ascending Order Pattern**

It is the sequence of number from smaller to bigger. Let's see the following patterns of pencils shown below:

Here number of pencils in each consecutive figures is increased by a gap of 1. It's a forth counting from 1 to 6.

**Descending Order Pattern**

It is the sequence of numbers from bigger to smaller. Let's see the following patterns of pencils shown below:

Here, number of pencils in each consecutive figures is decreased by a gap of 1. It's a back counting from 6 to 1.

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**Pattern Based on Rotation**

Let us see another following patterns:

Here, each shape is rotated anti-clock wise direction in each next step. Or, we can say that each next figure is turned to its right.

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**Let's see another example:**

H

Here, in each figure, the shaded part is turned anti-clock wise by one step.

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**Number Series**

In the number series, numbers are arranged in a certain pattern. You have to find the missing number.

See the following example:

**Example:**

**Find the missing number****.**

2 |
4 |
6 |
8 |
10 |
? |

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