Verbal Reasoning

Number Series

Verbal Reasoning Exercise Mode

Number Series

Practice and master this topic with our carefully crafted questions.

10 Questions
15 Minutes
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Directions to Solve

In "Number Series" question, a number series is given with one term missing. Choose the correct alternative that will same pattern and replace the question mark in the given series.

Question 11
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series : 4, 9, 25, ?, 121, 169, 289, 361

A
49
B
64
C
81
D
87
Correct Answer: Option A

The given series consists of squares of consecutive prime numbers i.e. 2², 3², 5², ......, 11², 13², 17², 19². so, missing term = 7² = 49.

Question 12
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series : 3, 7, 23, 95, ?

A
62
B
128
C
479
D
575
Correct Answer: Option C

The pattern is × 2 + 1, × 2 + 2, × 4 + 3, ..... so, missing term is 95 × 5 + 4 = 479.

Question 13
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series : 6, 12, 21, ?, 48

A
33
B
38
C
40
D
45
Correct Answer: Option A

The pattern is + 6, + 9, + 12, + 15, ........ So, missing term = 21 + 12 = 33.

Question 14
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series : 2, 5, 9, ?, 20, 27

A
14
B
16
C
18
D
24
Correct Answer: Option A

The pattern is + 3, + 4, + 5, + 6, ......... So, missing term = 9 + 5 + = 14.

Question 15
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series : 2, 7, 27, 107, 427, ?

A
1262
B
1707
C
4027
D
4207
Correct Answer: Option B

The pattern is + 5, + 20, + 80, + 320, ........i .e. + (5 × 1²), + (5 × 2²), + (5 × 4²), + (5 × 8²), ........ So, missing term = 427 + (5 × 16²) = 427 + 1280 = 1707.

Question 16
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series : 9, 27, 31, 155, 161, 1127, ?

A
316
B
1135
C
1288
D
2254
Correct Answer: Option B

The pattern is × 3, + 4, × 5, + 6, × 7, ......... So, missing term = 1127 + 8 = 1135.

Question 17
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series : 28, 33, 31, 36, ?, 39

A
32
B
34
C
38
D
40
Correct Answer: Option B

The pattern is + 5, -2, + 5, - 2, ....... So, missing term = 36 - 2 = 34.

Question 18
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series : 4, 12, 36, 108, ?

A
144
B
216
C
304
D
324
Correct Answer: Option D

The pattern is × 3. So, missing term = 108 × 3 = 324.

Question 19
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series : 6, 13, 25, 51, 101, ?

A
201
B
202
C
203
D
205
Correct Answer: Option C

The pattern is × 2 + 1, × 2 - 1, × 2 - 1,× 2 + 1, × 2 - 1, ...... So, missing term = 101 × 2 + 1 = 203.

Question 20
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series : 11, 10, ?, 100, 1001, 1000, 10001

A
101
B
110
C
111
D
None of these
Correct Answer: Option A

The pattern is - 1, x 10 + 1, - 1, x 10 + 1, - 1, x 10 + 1, .....

So, missing term = 10 x 10 + 1 = 101.

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