## Ten most important missing numbers questions and answers in reasoning

**PROBLEM # 1**

**Therefore correct option will be (D)**

**Therefore correct option will be (C)**

**PROBLEM # 3**

**Therefore correct option will be (C)**

**PROBLEM # 4**

**PROBLEM # 4**

3rd row 8 × 6 = 48 and 8 +6 = 14 so 8 , 6 = 4814

4th row 4 × 4 = 16 and 4 + 4 = 8 so 4 , 4 = 168.

5th row 7 × 3 = 21 and 7 + 3 = 10 so 7 , 3 = 2110

So ? Will be replaced by 2110.

**Therefore correct option will be (A)**

**PROBLEM # 5**

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**Formula a*b = (a × b) + (b - 1)**

**Therefore correct option will be (C)**

##
** Formula for this puzzle is = (a × b) + b or b(a + 1)**

**6**× 21) + 21 = 126 + 21 = 147

**So required and correct answer will be 6**

**PROBLEM # 7**

**Formula =**(

**a × b) + (b × c) or b(a + c) --------(1)**

**Case 1**

If we choose 1st number from 5 then look at the pattern opposite to given smaller number 5 × 3 = 15

8 × 3 = 24

12 × 3 = 36

In this pattern we can conclude 12 ×3 = 36

**Case 2**

If we choose 1st number from **?**then look at the opposite to given smaller number

? × 3 = 12

5 × 3 = 15

8 × 3 = 24

Therefore

**?**will be replaced by 4.

Hence 4 × 3 = 12

**PROBLEM # 9**

This circle can be divided into two parts , 1st part containing the number 4 ,5 ,6 and 7 and second part containing 7 , 9 ,11 and ?. Now study the opposite number of 4 which is 7 . Then study the relation between other numbers and its opposite number ,we find difference between 4 and 7 is 3 , difference between 5 and 9 is 4 , difference between 6 and 11 is 5 . so in this pattern we can find difference between ' ? ' and 7 must be 6 .

7 - ? = 2 means ? = 5

7 - 4 = 3

9 - 5 = 4

11 - 6 = 5 , the difference is increased by 1 every time .

? - 7 = 6 means ? = 13

Either 5 or 13 should be the required number, but 5 is not given in any option.

So ? Will be replaced by 13 which is the required answer **Therefore correct option will be (4)**

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