Wrong Number Series

Wrong Number Series Questions for Bank PO Prelims PDF | Download Now

Dear Aspirants, Our IBPS Guide team is providing new series of Quants Questions for SBI/IBPS PO Prelims 2021 so the aspirants can practice it on a daily basis. These questions are framed by our skilled experts after understanding your needs thoroughly. Aspirants can practice these new series questions daily to familiarize with the exact exam pattern and make your preparation effective.

 

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Directions (01-10): Find out the wrong number in the following number series.

1) 378, 442, 466, 683, 732, 1244

A.466

B.378

C.442

D.683

E.1244


2) 14, 32, 105, 435, 2205, 13266

A.13266

B.32

C.2205

D.14

E.435


3) 60, 48, 84, 231, 866.25, 4114.6875

A.866.25

B.84

C.60

D.4114.6875

E.231


4) 113, 150, 201, 265, 345, 438

A.201

B.113

C.265

D.345

E.438


5) 116, 145, 114, 151, 110, 152

A.145

B.114

C.151

D.110

E.152


6) 8, 10, 22, 52, 109, 198

A.10

B.52

C.109

D.22

E.198


7) 12, 13, 28, 84, 352, 1765

A.13

B.28

C.1765

D.84

E.352


8) 1, 10, 29, 122, 269, 731

A.29

B.731

C.10

D.269

E.122


9) 21, 16, 64, 61, 80, 121

A.80

B.16

C.61

D.64

E.121


10) 39, 41, 49, 98, 314, 939

A.41

B.314

C.98

D.39

E.49

 

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Answers :

1) Answer: A

378      442        467         683        732        1244

64         25          216        49         512

43        52           63           72           83


2) Answer: E

14*2+22= 32

32*3+32= 105

105*4+4436

436*5+52 = 2205

2205*6+62 = 13266


3) Answer: C

64           48          84           231            866.25          4114.6875

      *0.75     *1.75     *2.75         *3.75           *4.75


4) Answer: C

113      150        201       266            345         438

37        51           65          79               93

14      14          14         14


5) Answer: E

116        145          114        151      110           153

+29       -31            +37        -41         +43


6) Answer: E

8        10       22         52          109            203

2         12        30          57            94

10        18          27           37

8        9        10


7) Answer: D

12 * 1 + 1 = 13

13 * 2 + 2 = 28

28 * 3 + 3 = 87

87 * 4 + 4 = 352

352 * 5 + 5 = 1765


8) Answer: B

(1 * 2) + 23 = 10

(10 * 2) + 32 = 29

(29 * 2) + 43 = 122

(122 * 2) + 52 = 269

(269 * 2) + 63 = 754


9) Answer: A

21 – 5 = 16

16 * 4 = 64

64 – 3 = 61

61 * 2 = 122

122 – 1 = 121


10) Answer: D

Given series is

41      41      49      98        314        939

90       81     72        63          54

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Directions (11-20): Find the wrong term in the following number series

11) 117, 198, 710, 760, 975, 1000

A.710

B.1000

C.975

D.760

E.198


12) 6850, 5824, 4906, 4080, 3370, 2740

A.4080

B.2740

C.5824

D.4906

E.3370


13) 2, 4, 12, 48, 248, 1440

A.48

B.12

C.248

D.1440

E.4


14) 128, 238, 372, 526, 708, 918

A.238

B.526

C.708

D.918

E.372


15) 12, 27, 111, 685, 5489, 54901

A.685

B.111

C.5489

D.27

E.12


16) 1216, 1250, 1428, 1704, 2048, 2426

A.1704

B.2048

C.2426

D.1216

E.1428


17) 580, 504, 444, 397, 366, 350

A.366

B.504

C.444

D.397

E.None of these


18) 32, 18, 36, 110, 440, 1944

A.110

B.440

C.36

D.1944

E.None of these


19) 5, 15, 81, 479, 3360, 26879

A.479

B.26879

C.3360

D.81

E.None of these


20) 120, 180, 450, 650, 1687.5, 2531.25

A.650

B.180

C.1687.5

D.450

E.2531.25

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Answers :

11) Answer: D

117 + 92 =198

198 + 83 =710

710 + 72 = 759

759 + 63 =975

975 + 52 =1000


12) Answer: A

193 – 9=6850

183 – 8=5824

173 – 7=4906

163 – 6=4090

153 – 5=3370

143 – 4=2740


13) Answer: C

2 * 1 + 2=4

4 * 2 + 4=12

12 * 3 + 12=48

48 * 4 + 48=240

240 * 5 + 240=1440


14) Answer: E

The pattern is,

128+112 – 11=238

238 +122 – 12=370

370 +132 – 13=526

526 +142 – 14=708

708 +152 – 15=918

The wrong term is, 372


15) Answer: B

The pattern is,

12 *2 + 3 =27

27 *4 + 5=113

113 *6 + 7=685

685 *8 + 9=5489

5489 *10 + 11 = 54901

The wrong term is, 111


16) Answer: A

The correct series is,

The difference of difference is, 122, 102, 82, 62,…

The wrong term is, 1704


17) Answer: C


18) Answer: B

(32 + 4) x 0.5 = 18

(18 + 6) x 1.5 = 36

(36 + 8) x 2.5 = 110

(110 + 10) x 3.5 = 420 

(420 + 12) x 4.5 = 1944


19) Answer: C

5 x 4 – 5 = 15

15 x 5 + 6 = 81

81 x 6 – 7 = 479

479 x 7 + 8 = 3361

3361 x 8 – 9 = 26879


20) Answer: A

120 * 1.5 = 180

180 * 2.5 = 450

450 * 1.5 = 675

675 * 2.5 = 1687.5

1687.5 * 1.5 = 2531.25

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This post was last modified on January 6, 2022 10:59 am