## Most important reasoning questions for competitive exams using reasoning tricks

I have explained ten most important reasoning questions of missing number for competitive exams like ssc cgl, ssc chsl ,bank clerk and rrb ntpc . These missing number Reasoning questions have been explained in simple language and easy style.

# Important reasoning questions in figure problems

## Problem #1

This reasoning problem consists of four figures and every figure have five numbers ,four around the figure and one in the centre of the figure. Watch carefully all the numbers which are around the central number are perfect squares. So we have to find out the square roots of these numbers and add these numbers then divide the sum with 5 to find the middle number ,

**Middle number in every figure is 5th part of sum of roots of every the numbers **

**1st Figure**

{√100 +√25 + √100 + √25 } ÷ 5 = {10 + 5 + 10 + 5 } ÷ 5 = 30 ÷ 5 = 6 ( Middle number in 1st figure )

### 2nd Figure

### 3rd Figure

### 4th Figure

**Option (3)4 is correct option**

**Problem #2**

__difference of__in each figure.

**sum of the numbers**on the left side and right side### 1st Figure

### 2nd Figure

### 3rd Figure

**Option (4)25 is correct option**

## Problem #3

## Formula :-

__written around the circle.__

**7 times of sum of all the digits**### 1st Figure

### 2nd Figure

### 3rd Figure

**Option (2)154 is correct option**

**Problem #4**

**neither**have common difference

**nor**have definite series pattern .

**prime number series pattern.**

**Option (4)2 is correct option**

**Problem #5**

## These are given terms of series.

57, 56, 55, 51, 43, 34, ?

Differences of two consecutive terms can be calculated like this

57 - 56 = 1

56 - 55 = 1

55 - 51 = 4

51 - 43 = 8

43 - 34 = 9

34 - ? =

Now study the differences

1, 1, 4 , 8 , 9 , ....

This can be written as

1², 1³, 2², 2³, 3²,.....

In this pattern next difference would be 3³ and 4²

So next number would be 34 + 3³ = 34 + 27 = 61

And similarly next number would be 61 + 4² = 61 + 16 = 77

So question marks? = 61

57, 56, 55, 51, 43, 34, ?

Differences of two consecutive terms can be calculated like this

57 - 56 = 1

56 - 55 = 1

55 - 51 = 4

51 - 43 = 8

43 - 34 = 9

34 - ? =

Now study the differences

1, 1, 4 , 8 , 9 , ....

This can be written as

1², 1³, 2², 2³, 3²,.....

In this pattern next difference would be 3³ and 4²

So next number would be 34 + 3³ = 34 + 27 = 61

And similarly next number would be 61 + 4² = 61 + 16 = 77

So question marks? = 61

**Option (3)61 is correct option**

**Problem #6**

__multiply all the numbers around it then divide it with 10 .__

### 1st triangle

### 2nd triangle

### 3rd triangle

**Option (2)32 is correct option**

**Problem #7**

**Sum of all the numbers in each box is 35.**### 1st Square

### 2nd Square

### 3rd Square

**Option (4)1 is correct option**

__Also read these posts on Reasoning__

## Problem #8

**2nd quadrant**

**1st quadrant**

**3rd quadrant**

**4th quadrant**

**Hence option (4)306 is correct option**

## Problem #9

**difference of sum of opposite numbers.**

**1st **Square

### 2nd Square

### 3rd Square

**Option (1)20 is correct option**

**Problem #10**

**Option (4)8 is correct option.**

**Also Read these articles:-**

Maths reasoning my favourite subject

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