SSC CGL Exam  >  SSC CGL Notes  >  SSC CGL Tier 2 - Study Material, Online Tests, Previous Year  >  Missing Number in box problems

Missing Number in box problems | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year PDF Download

Problem 1

Find the missing number ?
Missing Number in box problems | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year

a) 27
b) 24
c) 18
d) 23

Step 1. 

Subtract the number in first column from the number in third column of every row. i. e. C3 - C1 = S

Step 2 . 

Multiply the the above difference with 3 to get the numbers in second column of every row i. e. C2 = 3S.
1st row    3 (48 - 28 ) = 3 × 20  = 60
2nd row 3 (7 - 5)  = 2 × 3 = 6
3rd row 3(27 - 14) = 3 × 13 = 39
4th row 3(16 - 7 ) = 3 × 9 = 27
Hence required number is 27
Option (A) 27 is correct option

Problem 2

Find the missing number ?

Missing Number in box problems | SSC CGL Tier 2 - Study Material, Online Tests, Previous Yeara) 4
b) 3
c) 5
d) 6

 Every number in fourth row has been written as the square of all the numbers in 1st three rows in any particular column. 

Take the square of addition of  the elements of 1st three rows of 1st column like this
(1 + 4 + 2 )² = 7² = 49
Take the Take the square of addition of  the elements of 1st three rows of 1st column like this
(4 + 2 + 2 )² = 8² = 64
Take the square of addition of  the elements of 1st three rows of 1st column like this
(? + 5 + 3 )² = (? + 8 )² = 169
(? + 8 )² = (13)² = 169 , Taking Square root
? + 8 = 13
? = 13 - 5 
? = 5
So required number will be 5
Option (C) 5 is correct option

Problem 3

Find the missing number ?

Missing Number in box problems | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year

a) 20
b) 13
c) 12
d) 10

Multiply all the numbers in the first three rows of every column and then divide the product by 2 to get the number in last row like this
(5×2×8)÷2 = 80÷2 = 40 ( Last number in 1st column )
(5×4×3)÷2 = 60÷2 = 30 ( Last number in 2nd column )
(2×1×10)÷2 = 20÷2 = 10 ( Last number in 3rd column )
So required number will be 10
Option (D)10 is correct option.

Problem 4

Find the missing number ?

Missing Number in box problems | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year

a) 1
b) 2
c) 4
d) 3

Adding both the numbers in second and third rows then multiply it with the number in First row to get the number in last row ,the process will be  repeated for all the three columns
( 6 + 7 ) × 5 = 65
( 3 + 2 ) × 4 = 20
( ? + 4 ) × 9 = 45
This implies ( ? + 4 ) = 45/9 = 5
? = 5 - 4 = 1
Hence required number is 1
Option (A) 1 is correct option.

Problem 5

Find the missing number ?

Missing Number in box problems | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year

a) 24
b) 22
c) 20
d) 19

Decrease the numbers in first  columns of every row by 1 then multiply it to get the number in third column of every row.
1st Row  ( 8 - 1) ×  3  = 7 × 3 = 21
2nd Row  ( 6 - 1) ×  5 = 5 × 5 = 25
3rd Row  ( 12 - 1) ×  2 = 11 × 2 = 22
Hence required answer is 22
Option (B) 22  is correct option.

Problem 6

Find the missing number ?

Missing Number in box problems | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year

a) 4
b) 3
c) 5
d) 6

Add 1st two rows of each column to multiply with the number in 3rd column to get fourth number in every row.
(5 + 4 ) × 2 = 9 × 2 = 18 (1st column 3rd row )
(6 + 3 ) × 3   = 9 × 3 = 27 ( 2nd column 3rd row )
(12 + 4 ) × ?  = 16 × ? = 96 (3rd column 3rd row )
16 × ? = 96
? = 6
Hence required number is 6
Option (D) 6  is correct option.

Problem 7

Find the missing number ?

Missing Number in box problems | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year

a) 74
b) 63
c) 65
d) 60

First of all multiply  1st three numbers  in every Column then add the sum of 1st three  numbers in every row to  get the numbers in 4th row. i. e. formula for this problem is [ if a, b ,c and d are numbers in any column  then d = abc + (a+b+c) ]
[ ( 3 + 4 + 5) + (3 × 4 × 5 ) ] = 12 + 60 = 72
[ ( 2 + 5 + 6) + (2 × 5 × 6 ) ] = 13 + 60 = 73
[ ( 5 + 9 + 1) + (5 × 9 × 1 ) ] = 15 + 45 = 60
Hence  required number is 60
Option (D)60  is correct option.

Problem 8

Find the missing number ?

Missing Number in box problems | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year

a) 24
b) 35
c) 12
d) 37

Decrease both the numbers in first and second columns of every row then multiply the reduced numbers to get the numbers in third column of every row
{ 8 - 1 }×{ 6 - 1 } = 7 × 5 = 35
{ 6 - 1 }×{ 4 - 1 } = 5 × 3 =  15
{ 7 - 1 }×{ 5 - 1 } = 6 × 4 =  24
Hence required number is 24.
Option (A)24  is correct option.

Problem 9

Find the missing number ?

Missing Number in box problems | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year

a) 66
b) 24
c) 36
d) 37

Decrease the numbers in first column of every row and increase the numbers in second column of every row when multiplying both the reduced number of first and second column to get the numbers in third column of every row
{ 6 - 1 } × { 8 + 1 } = 5 × 9 = 45
{ 4 - 1 } × { 6 + 1 } = 3 × 7 = 21
{ 7 - 1 } × { 5 + 1 } = 6 × 6 = 36
Hence required number is 36
Option (C)36  is correct option.

Problem 10

Find the missing number ?

Missing Number in box problems | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year

a) 7
b) 9
c) 8
d) 6

Total of 1st row is  3 + 6 + 8 = 17
Total of 2nd row is  5 + 6 + 8 = 17
Total of 3rd row is  4 + 7 + ? = 17
Therefore replacing ? with 6 to get required answer.
Option (D)6  is correct option

The document Missing Number in box problems | SSC CGL Tier 2 - Study Material, Online Tests, Previous Year is a part of the SSC CGL Course SSC CGL Tier 2 - Study Material, Online Tests, Previous Year.
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FAQs on Missing Number in box problems - SSC CGL Tier 2 - Study Material, Online Tests, Previous Year

1. What are missing number in box problems?
Ans. Missing number in box problems refer to a type of puzzle or game where a number is intentionally left blank or missing in a grid or box. The objective is to determine the correct number that should fill the empty space based on the given pattern or sequence.
2. How do I solve missing number in box problems?
Ans. To solve missing number in box problems, carefully observe the given numbers in the grid or box. Look for any patterns or sequences among the numbers. Analyze the relationships between the numbers in each row, column, or diagonal. Based on these observations, you can make logical deductions to determine the missing number.
3. Are there any specific strategies to solve missing number in box problems?
Ans. Yes, there are several strategies that can be helpful in solving missing number in box problems. Some common strategies include identifying arithmetic or geometric progressions, looking for symmetry in the grid, observing the sum or difference between adjacent numbers, and considering the repetition of certain numbers. Developing a systematic approach and practicing regularly can enhance your problem-solving skills.
4. Can missing number in box problems be solved using trial and error?
Ans. While trial and error can be used as a last resort, it is not the most efficient method for solving missing number in box problems. These problems are designed to be solved through logical reasoning and pattern recognition. Relying solely on trial and error may result in a time-consuming and less accurate approach. It is recommended to apply logical strategies before resorting to trial and error.
5. Where can I find additional missing number in box problems to practice?
Ans. There are various online platforms, puzzle books, and educational websites that offer a wide range of missing number in box problems for practice. You can search for "missing number in box problems" or "number sequence puzzles" to find relevant resources. Additionally, many math textbooks and workbooks also include sections on number sequence puzzles for practice and skill development.
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