Quantitative Aptitude

Number Series

249 questions across 10 exam years. Answers for this topic

Quick revision: Number SeriesRules, shortcuts, how it is asked, worked examples and traps

Per paper: ~4.8
Years asked: 10 of 10
Past questions: 249

11 Aug 2018 · shift not stated

Career Power (Adda247)

Directions · Q.41–45

Directions (41-45): Find the wrong number in the following number series ?

Q-NS-87Q.41

1, 3, 7, 15, 31, 64, 127

(a) 1
(b) 3
(c) 15
(d) 64
(e) 127

Q-NS-88Q.42

1, 15, 119, 475, 949, 947, 473

(a) 947
(b) 475
(c) 15
(d) 473
(e) 1

Q-NS-89Q.43

250, 260, 291, 314, 340, 370, 405

(a) 370
(b) 314
(c) 260
(d) 405
(e) 250

Q-NS-90Q.44

750, 535, 411, 348, 322, 314, 315

(a) 315
(b) 750
(c) 411
(d) 348
(e) 314

Q-NS-91Q.45

2, 7, 27, 107, 427, 1708, 6827

(a) 107
(b) 1708
(c) 2
(d) 6827
(e) 7

12 Aug 2018 · Shift 1

Gradeup

Directions · Q.1–5

Number Series Questions asked in the first shift

Q-NS-92Q.1

5, 4, 7, 20, 79 ?

Note: answer = value marked "(ans)" in gradeup's worked solution

Q-NS-93Q.2

3.9, 5.5, 8.7, 13.5, ?, 27.9

Note: answer = value marked "(ans)" in gradeup's worked solution

Q-NS-94Q.3

5040, 720, 120, 24, ?

Note: answer = value marked "(ans)" in gradeup's worked solution (a commenter on the page also noted 24/4 = 6)

Q-NS-95Q.4

800, ?, 600, 1500, 5250, 23625

Note: answer = value marked "(ans)" in gradeup's worked solution

Q-NS-96Q.5

220, 224, 208, 272, 16, ?

Note: answer = value marked "(ans)" in gradeup's worked solution

12 Aug 2018 · Shift 3

Gradeup

Q-NS-97Q.2

1000 600 300 32 ? 7.2

12 Aug 2018 · shift not stated

Gradeup

Directions · Q.8–11

Wrong Number Series:

Q-NS-98Q.8

2, 3, 7, 89, 456, 2677

Q-NS-99Q.9

60, 20, 30, 45, 90,225

Q-NS-100Q.10

2, 3.4, 6.8, 11.14

Note: possibly incomplete in source

Q-NS-101Q.11

900, 896, 912, 848, 1104

Number Series

249 questions across 10 exam years. Answers for this topic

Quick revision: Number SeriesRules, shortcuts, how it is asked, worked examples and traps

Per paper: ~4.8
Years asked: 10 of 10
Past questions: 249

11 Aug 2018 · shift not stated

Career Power (Adda247)

Directions · Q.41–45

Directions (41-45): Find the wrong number in the following number series ?

Q-NS-87Q.41

1, 3, 7, 15, 31, 64, 127

(a) 1
(b) 3
(c) 15
(d) 64
(e) 127

Q-NS-88Q.42

1, 15, 119, 475, 949, 947, 473

(a) 947
(b) 475
(c) 15
(d) 473
(e) 1

Q-NS-89Q.43

250, 260, 291, 314, 340, 370, 405

(a) 370
(b) 314
(c) 260
(d) 405
(e) 250

Q-NS-90Q.44

750, 535, 411, 348, 322, 314, 315

(a) 315
(b) 750
(c) 411
(d) 348
(e) 314

Q-NS-91Q.45

2, 7, 27, 107, 427, 1708, 6827

(a) 107
(b) 1708
(c) 2
(d) 6827
(e) 7

12 Aug 2018 · Shift 1

Gradeup

Directions · Q.1–5

Number Series Questions asked in the first shift

Q-NS-92Q.1

5, 4, 7, 20, 79 ?

Note: answer = value marked "(ans)" in gradeup's worked solution

Q-NS-93Q.2

3.9, 5.5, 8.7, 13.5, ?, 27.9

Note: answer = value marked "(ans)" in gradeup's worked solution

Q-NS-94Q.3

5040, 720, 120, 24, ?

Note: answer = value marked "(ans)" in gradeup's worked solution (a commenter on the page also noted 24/4 = 6)

Q-NS-95Q.4

800, ?, 600, 1500, 5250, 23625

Note: answer = value marked "(ans)" in gradeup's worked solution

Q-NS-96Q.5

220, 224, 208, 272, 16, ?

Note: answer = value marked "(ans)" in gradeup's worked solution

12 Aug 2018 · Shift 3

Gradeup

Q-NS-97Q.2

1000 600 300 32 ? 7.2

12 Aug 2018 · shift not stated

Gradeup

Directions · Q.8–11

Wrong Number Series:

Q-NS-98Q.8

2, 3, 7, 89, 456, 2677

Q-NS-99Q.9

60, 20, 30, 45, 90,225

Q-NS-100Q.10

2, 3.4, 6.8, 11.14

Note: possibly incomplete in source

Q-NS-101Q.11

900, 896, 912, 848, 1104