Number Series MCQ Quiz - Objective Question with Answer for Number Series - Download Free PDF

Last updated on Jun 9, 2025

Latest Number Series MCQ Objective Questions

Number Series Question 1:

Select the number from among the given options that can replace the question mark (?) in the following series.

8, 11, 17, 26, 38, ?

  1. 53
  2. 56
  3. 58
  4. 50
  5. None of the above

Answer (Detailed Solution Below)

Option 1 : 53

Number Series Question 1 Detailed Solution

The pattern followed here is:

 

Hence, '53' is the correct answer.

Number Series Question 2:

Select the number from among the given options that can replace the question mark (?) in the following series.

3, 11, 27, 59, ?

  1. 123
  2. 129
  3. 121
  4. 122
  5. None of the above

Answer (Detailed Solution Below)

Option 1 : 123

Number Series Question 2 Detailed Solution

Given: 3, 11, 27, 59, ?

The logic followed here is: 

Hence, 123 is the correct answer.

Alternate Method

→ (3 × 2) + 5  = 6 + 5 = 11;

→ (11 × 2) + 5 = 22 + 5 =  27;

→ (27× 2) + 5 = 54 + 5 = 59;

→ (59 × 2) + 5 = 118 + 5 = 123;

Number Series Question 3:

Which numbers will replace the question marks (?) in the following series?

80, 44, 85, 64, 95, 84, ?, ?

  1. 100, 102
  2. 94, 110
  3. 110, 104
  4. 108, 104
  5. None of the above

Answer (Detailed Solution Below)

Option 3 : 110, 104

Number Series Question 3 Detailed Solution

Given:

80, 44, 85, 64, 95, 84, ?, ?

Logic: Two different series are followed.

Here, 110 and 104 are the missing terms.

Hence, the correct answer is "Option (3)".

Number Series Question 4:

Select the number from among the given options that can replace the question mark (?) in the following series.

3, 5, 11, 23, 43, 73, ?  

  1. 102
  2. 111
  3. 115
  4. 120
  5. None of the above

Answer (Detailed Solution Below)

Option 3 : 115

Number Series Question 4 Detailed Solution

The pattern follows here:

 

  • 73+62+6 = 115  

Hence, "Option 3" is the correct answer.

Number Series Question 5:

Select the number from among the given options that can replace the question mark(?) in the following series.

560, 280, 140, 70, ?

  1. 40
  2. 50
  3. 45
  4. 35
  5. None of the above

Answer (Detailed Solution Below)

Option 4 : 35

Number Series Question 5 Detailed Solution

The logic followed here is : Each number is divided by (2).

Hence, "35" is the correct answer.

Top Number Series MCQ Objective Questions

Which of the following numbers will replace the question mark (?) in the given series?

13, 14, 23, 48, 97, 178, ?

  1. 259
  2. 278
  3. 269
  4. 299

Answer (Detailed Solution Below)

Option 4 : 299

Number Series Question 6 Detailed Solution

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The logic followed here is: 

Addition of the square of the odd number to previous number to get next number in the series.

13 + 12 =13 + 1 = 14

14 + 32 = 14 + 9 = 23

23 + 52 = 23 + 25 = 48 

48 + 72 = 48 + 49 = 97 

97 + 92 = 97 + 81 = 178

178 + 112 = 178 + 121 = 299 

Hence, the correct option is 299

Select the number from among the given options that can replace the question mark (?) in the following series.

24, 40, 64, 104, ?, 312

  1. 228
  2. 176
  3. 154
  4. 168

Answer (Detailed Solution Below)

Option 2 : 176

Number Series Question 7 Detailed Solution

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The pattern followed here is:

 

Hence, '176' is the correct answer.

Select the number from among the given options that can replace the question mark (?) in the following series.

4, 5, 18, 19, 68, 69, ?

  1. 256
  2. 250
  3. 262
  4. 266

Answer (Detailed Solution Below)

Option 3 : 262

Number Series Question 8 Detailed Solution

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The number from among the given options that can replace the question mark (?) in the following series is as shown below :-

Hence, the correct answer is "262".

Alternate Method 
Hence, the correct answer is "262".

Select the number from among the given options that can replace the question mark (?) in the following series.

11, 13, 19, 49, 109, 239, ?

  1. 449
  2. 394
  3. 349
  4. 494

Answer (Detailed Solution Below)

Option 1 : 449

Number Series Question 9 Detailed Solution

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Can you solve this number series puzzle? 11, 13, 19, 49, 109, 239, ? – Find the logic and the missing number with a simple and clear explanation

The pattern followed here is:

Hence, 449 is the correct answer.

Which of the following numbers will replace the question mark (?) in the given series?

6, 16, 29, 62, 121, ?

  1. 283
  2. 246
  3. 238
  4. 264

Answer (Detailed Solution Below)

Option 2 : 246

Number Series Question 10 Detailed Solution

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The pattern followed here is:

6 × 2  + 4 = 16

16 × 2 - 3 = 29

29 × 2 + 4 = 62

62 × 2 - 3 = 121 

121 × 2 + 4 = 246

Hence, the correct answer is "246".

Find the missing number in the given series following the same pattern.

18, 24, 84, 294, 798, (?)

  1. 1682
  2. 1788
  3. 1867
  4. 1932

Answer (Detailed Solution Below)

Option 2 : 1788

Number Series Question 11 Detailed Solution

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The logic follows here:

Hence, the correct answer is "1788".

Select the number from among the given options that can replace the question mark (?) in the following series.

62, 74, 80, 86, 95, ?, 158

  1. 113
  2. 100
  3. 108
  4. 122

Answer (Detailed Solution Below)

Option 1 : 113

Number Series Question 12 Detailed Solution

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The logic followed here is :-

Hence, the correct answer is "113".

Which of the following numbers will replace the question mark (?) in the given series?

19, 38, 35, ?, 135, 810

  1. 146
  2. 142
  3. 137
  4. 140

Answer (Detailed Solution Below)

Option 4 : 140

Number Series Question 13 Detailed Solution

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The pattern followed here is as follows:

Hence, value of '?' is 140.

In the following question, a series is given with one term missing. Choose the correct alternative from the given options.

1, 2, 6, 15, ____ , 56, 92

  1. 30
  2. 32
  3. 34
  4. 31

Answer (Detailed Solution Below)

Option 4 : 31

Number Series Question 14 Detailed Solution

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The pattern followed here is as below:-

Hence, 15 + 16 = 31 is the correct answer.

Select the number from among the given options that can replace the question mark (?) in the following series.

5, 18, 70, 278, ?

  1. 328
  2. 298
  3. 592
  4. 1110 

Answer (Detailed Solution Below)

Option 4 : 1110 

Number Series Question 15 Detailed Solution

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The pattern followed here is:

(Previous number × 3) + (previous number – 2) = next number

Given: 5, 18, 70, 278, ?

1st number → 5

2nd number → (5 × 3) + (5 - 2) = 15 + 3 = 18

3rd number → (18 × 3) + (18 - 2) = 54 + 16 = 70

4th number → (70 × 3) + (70 - 2) = 210 + 68 = 278

5th number (278 × 3) + (278 - 2) = 834 + 276 = 1110

Hence, ''1110" is the correct answer.

Alternate MethodThe logic followed here is:

The Previous number × 4 - 2 = next number.

5, 18, 70, 278, ?

5 × 4 - 2 = 18

18 × 4 - 2 = 70

70 × 4 - 2 = 278

278 × 4 - 2 = 1110

Hence, the correct answer is "1110".

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