# IBPS > Number Series

Explore popular questions from Number Series for IBPS. This collection covers Number Series previous year IBPS questions hand picked by experienced teachers.

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Q 1.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} 4\,\,\,16\,\,\,36\,\,\,64\,\,\,100\,\,\, ? {/tex}

A

120

B

180

C

136

144

E

None of these

##### Explanation Q 2.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} \begin{array} { c c c c c c c } { 0 } & { 5 } & { 18 } & { 43 } & { 84 } & { 145 } & { ? } \end{array} {/tex}

A

220

B

240

C

260

D

280

None of these

##### Explanation Q 3.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} \begin{array} { l l l l l l } { 10 } & { 25 } & { 50 } & { 75 } & { 75 } & { 37.5 ? } \end{array} {/tex}

A

4.375

B

3.2375

C

4.6275

D

3.575

None of these

##### Explanation Q 4.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} \begin{array} { l l l l l l } { 12 } & { 14 } & { 32 } & { 102 } & { 416 } & { 2090 } \end{array} ? {/tex}

A

15522

12552

C

13525

D

17552

E

None of these

##### Explanation Q 5.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} 12\,\,\,33\,\,\,96\,\,\, ?\,\,\, 852\,\,\,2553 {/tex}

285

B

288

C

250

D

384

E

None of these

##### Explanation Q 6.

Correct1

Incorrect-0.25

What should come in place of the question mark {tex} ( ? ) {/tex} in the following number series?
{tex} 8,15,28,53 , ? {/tex}

A

106

B

98

C

100

102

E

None of these

##### Explanation  Q 7.

Correct1

Incorrect-0.25

What should come in place of the question mark {tex} ( ? ) {/tex} in the following number series?
{tex} 4000\,\,\,2008\,\,\,1012 \,\,\,?\,\,\, 265\,\,\,140.5\,\,\,78 .25 \,\,\,{/tex}

A

506

514

C

520

D

512

E

None of these

##### Explanation Q 8.

Correct1

Incorrect-0.25

In the following number series only one number is wrong. Find out the wrong number.
{tex} \begin{array} { l l l l l l } { 2 } & { 54 } & { 300 } & { 1220 } & { 3674 } & { 7350 } \end{array} {/tex}

3674

B

1220

C

300

D

54

E

None of these

##### Explanation Q 9.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} \begin{array} { l l l l l l } { 1 } & { 3 } & { 24 } & { 360 } & { 8640 } & { 302400 } \end{array} ? {/tex}

A

14525100

B

154152000

14515200

D

15425100

E

None of these

##### Explanation Q 10.

Correct1

Incorrect-0.25

What should come in place of the question mark {tex} ( ? ) {/tex} in the following number series?
{tex} 1,8,9 , ? , 25,216,49 {/tex}

A

60

64

C

70

D

75

E

None of these

##### Explanation Q 11.

Correct1

Incorrect-0.25

What should come in place of the question mark {tex} ( ? ) {/tex} in the following number series?
{tex} 5\,\,\,5\,\,\,15\,\,\,75 \,\,\,?\,\,\, 4725\,\,\,51975 {/tex}

A

520

B

450

525

D

300

E

None of these

##### Explanation Q 12.

Correct1

Incorrect-0.25

What should come in place of the question mark {tex} ( ? ) {/tex} in the following number series?
{tex} \begin{array} { l l l l l } { 119 } & { 131 } & { 155 } & { 191 } & { 239 } \end{array} \,\,( ? ) {/tex}

A

289

B

290

C

279

D

280

None of these

##### Explanation Q 13.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} 9\,\,\,27\,\,\,36\,\,\,63\,\,\,99\,\,\, ? {/tex}

A

151

B

167

C

152

162

E

157

##### Explanation Q 14.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} 12\,\,\,6.5\,\,\,7 .5\,\,\,12 .75\,\,\,27 .5\,\,\,71 .25 \,\,\,? {/tex}

A

225.75

216.75

C

209.75

D

236.75

E

249.75

##### Explanation  Q 15.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} \begin{array} { l l l l l l } { 3 } & { 7 } & { 13 } & { ? } & { 31 } & { 43 } \end{array} {/tex}

A

18

B

19

C

23

21

E

None of these

##### Explanation  Q 16.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} 7\,\,\,26\,\,\,63\,\,\,124\,\,\,215 \,\,\,? {/tex}

A

330

B

321

342

D

356

E

339

##### Explanation Q 17.

Correct1

Incorrect-0.25

In the following number series, a wrong number is given. Find out that wrong number.
{tex} \begin{array} { c c c c c c c } { 16 } & { 19 } & { 21 } & { 30 } & { 46 } & { 71 } & { 107 } \end{array} {/tex}

19

B

21

C

30

D

46

E

71

##### Explanation Q 18.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} 6417,5704,4991,4278,3565,2852 \,\,? {/tex}

A

2408

B

2426

C

7310

D

7130

2139

##### Explanation Q 19.

Correct1

Incorrect-0.25

What should come in place of the question mark {tex} ( ? ) {/tex} in the following number series?
{tex} 4,15,16 , ? , 36,63,64 {/tex}

A

25

B

30

C

32

35

E

None of these

##### Explanation Q 20.

Correct1

Incorrect-0.25

What should come in place of the question mark {tex} ( ? ) {/tex} in the following number series?

A

300

B

295.5

C

315

312.5

E

None of these

##### Explanation Q 21.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} \begin{array} { l l l l l } { 12 } & { 12 } & { 18 } & { 45 } & { 180 } & { 1170}\,\,\,{ ? } \end{array} {/tex}

A

13485

B

14675

C

15890

D

16756

12285

##### Explanation  Q 22.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} 22 \,\,23 \,\,27\,\,36\,\,52\,\,77 \,\,? {/tex}

A

111

B

109

113

D

117

E

115

##### Explanation Q 23.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} 250,100,40 \,\,?\,\, 6.4,2.56 {/tex}

16

B

20

C

24

D

12

E

None of these

##### Explanation Q 24.

Correct1

Incorrect-0.25

What should come in place of the question mark (?) in the following number series.
{tex} 13\,\,20\,\,14\,\,19\,\,15 \,\,? {/tex}

A

16

18

C

21

D

17

E

20

##### Explanation Q 25.

Correct1

Incorrect-0.25

What should come in place of the question mark {tex} ( ? ) {/tex} in the following number series?

A

89

B

69

C

59

D

99

None of these

##### Explanation 