Missing Number Series Questions For Bank Clerk Prelims

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Directions (01-10): What value should come in the place of (?) in the following number series?

1) 52, 42, 62, 32, 72, ?

A.20

B.21

C.22

D.23

E.24

2) 13, 25, 7, 31, ?, 37

A.0

B.1

C.2

D.3

E.4

3) 18, 19, 28, 53, ?, 183

A.100

B.102

C.104

D.106

E.108

4) 13, 26, ?, 624, 4992, 49920

A.100

B.104

C.204

D.415

E.520

5) 80, 75, 85, 80, 90, ?

A.81

B.82

C.83

D.84

E.85

6) 19, 41, 71, ?, 147, 189

A.91

B.98

C.104

D.110

E.107

7) 10, 10, 20, 60, ?, 1200

A.180

B.240

C.300

D.360

E.120

8) 12, 36, 90, 180, 270, ?

A.540

B.360

C.320

D.270

E.480

9) 11, 180, 301, 350, ?, 384

A.375

B.380

C.366

D.377

E.370

10) 12, 27, 46, 69, 96, ?

A.127

B.132

C.136

D.142

E.148

Answers :

1) Answer: C

52 – (10 * 1) = 42

42 + (10 * 2) = 62

62 – (10 * 3) = 32

32 + (10 * 4) = 72

72 – (10 * 5) = 22

2) Answer: B

13 + 12 = 25

25 – 18 = 7

7 + 24 = 31

31 – 30 = 1

1 + 36 = 37

3) Answer: B

18 + 1² = 19

19 + 3² = 28

28 + 5² = 53

53 + 7² = 102

102 + 9² = 183

4) Answer: B

13 * 2 = 26

26 * 4 = 104

104 * 6 = 624

624 * 8 = 4992

4992 * 10 = 49920

5) Answer: E

80 – 5 = 75

75 + 10 = 85

85 – 5 = 80

80 + 10 = 90

90 – 5 = 85

6) Answer: E

19 + (11 * 2) = 41

41 + (10 * 3) = 71

71 + (9 * 4) = 107

107 + (8 * 5) = 147

147 + (7 * 6) = 189

7) Answer: B

10 * 1 = 10

10 * 2 = 20

20 * 3 = 60

60 * 4 = 240

240 * 5 = 1200

8) Answer: D

12 * 3 = 36

36 * 2.5 = 90

90 * 2 = 180

180 * 1.5 = 270

270 * 1 = 270

9) Answer: A

11 + 13² = 180

180 + 11² = 301

301 + 7² = 350

350 + 5² = 375

375 + 3² = 384

10) Answer: A

12 + 15 = 27

27 + 19 = 46

46 + 23 = 69

69 + 27 = 96

96 + 31 = 127

 

Start Quiz

 

Directions (11-20): What value should come in the place of (?) in the following number series?

11) 57, 69, 89, 117, 161, ?

A.211

B.209

C.213

D.256

E.263

12) 13, 65, ?, 2730, 21840, 196560

A.229

B.234

C.412

D.390

E.270

13) 1, 25, ?, 109, 169, 241

A.43

B.57

C.61

D.68

E.72

14) 7, 11, 20, 36, ?, 97

A.61

B.64

C.65

D.66

E.63

15) 420, ? , 436, 444, 440, 442, 441

A.448

B.438

C.442

D.440

E.452

16) 28, 1468, 1708, 1756, 1768, ? , 1774

A.1772

B.1773

C.1771

D.1770

E.1769

17) 456, 228, 342, 855, ?

A.2552.5

B.3688.5

C.2442.5

D.2992.5

E.4274.5

18) 152, 252, 1583, 1727, ? , 4120

A.2856

B.3924

C.3472

D.3168

E.2640

19) 18, 20, 43, 133, 537, ?

A.2355

B.2147

C.2691

D.1563

E.1789

20) 16, 16, 24, 48, 120,?

A.320

B.380

C.400

D.300

E.360

Answers :

11) Answer: C

57 + (3 * 4) = 69

69 + (5 * 4) = 89

89 + (7 * 4) = 117

117 + (11 * 4) = 161

161 + (13 * 4) = 213

12) Answer: D

13 * 5 = 65

65 * 6 = 390

390 * 7 = 2730

2730 * 8 = 21840

21840 * 9 = 196560

13) Answer: C

1 + (12 * 2) = 25

25 + (12 * 3) = 61

61 + (12 * 4) = 109

109 + (12 * 5) = 169

169 + (12 * 6) = 241

14) Answer: A

7 + 2² = 11

11 + 3² = 20

20 + 4² = 36

36 + 5² = 61

61 + 6² = 97

15) Answer: E

420 + 32 = 452

452 – 16 = 436

436 + 8 = 444

444 – 4 = 440

440 + 2 = 442

442 – 1 = 441

16) Answer: A

28     1468           1708            1756             1768           1772        1774

1440           240             48               12               4                 2

The difference is, ÷ 6, ÷ 5, ÷ 4, ÷ 3, ÷ 2,…

17) Answer: D

456 * (1/2) = 228

228 * (3/2) = 342

342 * (5/2) = 855

855 * (7/2) = 2992.5

18) Answer: B

152 + 10² = 252

252 + 11³ = 1583

1583 + 12² = 1727

1727 + 13³ = 3924

3924 + 14² = 4120

19) Answer: C

18 * 1 + 2 = 20

20 * 2 + 3 = 43

43 * 3 + 4 = 133

133 * 4 + 5 = 537

537 * 5 + 6 = 2691

20) Answer: E

16 * 1 = 16

16 * 1.5 = 24

24 * 2 = 48

48 * 2.5 = 120

120 * 3 = 360

 

Start Quiz

 

Directions (21-30): What value should come in the place of (?) in the following number series?

21) 9, 14, ?, 30, 41

A.7

B.14

C.21

D.28

E.30

22) 5, 6, 14, 41, 105, ?

A.110

B.230

C.151

D.170

E.240

23) 4, 10, 33, 136, ?, 4116

A.680

B.685

C.720

D.785

E.815

24) 1944, 968, 480, 236, 114, ?

A.53

B.60

C.65

D.70

E.49

25) 18, 33, 95, 375, 1869, ?

A.11207

B.2080

C.2250

D.12850

E.None of these

26) 72, 36, 54, 135, ?

A.475.5

B.482.2

C.472.5

D.455.5

E.468.5

27) 73, 100, 131,178, 289, ?

A.476

B.536

C.556

D.656

E.676

28) 85, 110, 94, 103, 99, ?

A.20

B.60

C.80

D.100

E.110

29) 1123, 1304, 1534, 1800, ?

A.1952

B.1994

C.2136

D.2075

E.2091

30) 18, 36, 24, 48, 32, ?

A.38

B.40

C.53

D.64

E.None of these

Answers :

21) Answer: C

2² + 5 = 9

3² + 5 = 14

4² + 5 = 21

5² + 5 = 30

6² + 5 = 41

22) Answer: B

5 + 1³ = 6

6 + 2³ = 14

14 + 3³ = 41

41 + 4³ = 105

105 + 5³ = 230

23) Answer: B

4 * 2 + 2 = 10

10 * 3 + 3 = 33

33 * 4 + 4 = 136

136 * 5 + 5 = 685

685 * 6 + 6 = 4116

24) Answer: A

1944/2 – 4 = 968

968/2 – 4 = 480

480/2 – 4 = 236

236/2 – 4 = 114

114/2 – 4 = 53

25) Answer: A

18 * 2 – 3 = 33

33 * 3 – 4 = 95

95 * 4 – 5 = 375

375 * 5 – 6 = 1869

1869 * 6 – 7 = 11207

26) Answer: C

72 x 0.5 = 36

36 x 1.5 = 54

54 x 2.5 = 135

135 x 3.5 = 472.5

27) Answer: D

73        100                 131                  178                  289                  656

27              31                    47                    111                  367

4¹                     4²                     4³                     4⁴

28) Answer: D

85 + 5² = 110

110 – 4² = 94

94 + 3² = 103

103 – 2² = 99

99 + 1² = 100

29) Answer: E

1123,               1304,               1534,               1800,               2091

181                  230                  266                  291

49                    36                    25

The difference of difference is, 7², 6², 5²,..

30) Answer: D

18 * 2 = 36

36/1.5 = 24

24 * 2 = 48

48/1.5 = 32

32 * 2 = 64

 

Start Quiz

 

Directions (31-40): What value should come in the place of (?) in the following number series?

31) 221, 220, ?, 86, 37, -692

A.282

B.289

C.299

D.207

E.211

32) 8, 11, 16, 23, 32, ?

A.38

B.43

C.48

D.52

E.59

33) 2160, 360, 72, 18, ?, 3

A.9

B.6

C.18

D.12

E.21

34) 6, 30, 66, 114, 174, ?

A.246

B.248

C.251

D.258

E.261

35) 32, 49, 75, 112, 162, ?

A.184

B.217

C.227

D.235

E.248

36) 8, 9, 20, 63, 256, ?

A.1207

B.1287

C.1276

D.1285

E.1294

37) 781, 556, 387, 266, 185, ?

A.136

B.98

C.167

D.197

E.150

38) 3, 4.5, 9, 22.5, 67.5, ?

A.222.75

B.236.25

C.273.5

D.310.25

E.303.75

39) 16807, 2401, 343, 49, 7, ?

A.6.5

B.5

C.4.5

D.3

E.1

40) 960, 1023, 1088, 1155, 1224, ?

A.1290

B.1285

C.1295

D.1225

E.1320

Answers :

31) Answer: E

221 -1³ = 220

220 – 3² = 211

211 – 5³ = 86

86 – 7² = 37

37 – 9³ = -692

32) Answer: B

1² + 7 = 8

2² + 7 = 11

3² + 7 = 16

4² + 7 = 23

5² + 7 = 32

6² + 7 = 43

33) Answer: B

2160/6 = 360

360/5 = 72

72/4 = 18

18/3 = 6

6/2 = 3

34) Answer: A

6 + (12 * 2) = 30

30 + (12 * 3) = 66

66 + (12 * 4) = 114

114 + (12 * 5) = 174

174 + (12 * 6) = 246

35) Answer: C

32 + 4² + 1 = 49

49 + 5² + 1 = 75

75 + 6² + 1 = 112

112 + 7² + 1 = 162

162 + 8² + 1 = 227

36) Answer: D

8 *1 + 1 = 9

9 * 2 + 2 = 20

20 * 3 + 3 = 63

63 * 4 + 4 = 256

256 * 5 + 5 = 1285

37) Answer: A

781 – 15² = 556

556 – 13² = 387

387 – 11² = 266

266 – 9² = 185

185 – 7² = 136

38) Answer: B

3 × 1.5 = 4.5

4.5 × 2 = 9

9 × 2.5 = 22.5

22.5 × 3 = 67.5

67.5 × 3.5 = 236.25

39) Answer: E

16807 ÷ 7 = 2401

2401 ÷ 7 = 343

343 ÷ 7 = 49

49 ÷ 7 = 7

7 ÷ 7 = 1

40) Answer: C

31² – 1 = 960

32² – 1 = 1023

33² – 1 = 1088

34² – 1 = 1155

35² – 1 = 1224

36² – 1 = 1295

 

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Directions (41-50): What value should come in the place of question mark in the given series?

41) 9, 16, 21, 24, ?

A.49

B.25

C.50

D.60

E.34

42) 100, 101, 204, ?, 2464

A.612

B.624

C.615

D.623

E.611

43) 1.5 , 3, 4.5 , ? , 13.5

A.9

B.3.9

C.5.0

D.6.0

E.3.4

44) 40, 120, 30, 150,  ?  , 175

A.25

B.39

C.50

D.60

E.34

45) 15, 16, 36, 117, 484, ?

A.2150

B.2365

C.2280

D.2560

E.2445

46) 1188, 594, 396, 297, 237.6, ?

A.184

B.172

C.206

D.198

E.214.8

47) 148, 174, 226, 304, ? , 538

A.426

B.408

C.452

D.434

E.466

48) 13, 14, ?, 41, 68, 109, 177

A.22

B.29

C.27

D.37

E.None of these

49) 7, 9, 15, 49, ?, 961

A.175

B.194

C.191

D.205

E.None of these

50) 3, 6, 18, 36, 108, 216, ?

A.502

B.458

C.648

D.442

E.414

Answers :

41) Answer: B

9                16               21              24               25

7                 5                 3                   1

42) Answer: C

100 * 1 + 1= 101

101 * 2 + 2 = 204

204* 3 + 3= 615

615* 4+ 4 = 2464

43) Answer: A

1.5 * 2 = 3

3 * 1.5 = 4.5

4.5 * 2 = 9

9 * 1.5 = 13.5

44) Answer: A

40 * 3 = 120

120/4 = 30

30 * 5 = 150

150/6 = 25

25 * 7 = 175

45) Answer: E

15 * 1 + 1² = 16

16 * 2 + 2² = 36

36 * 3 + 3² = 117

117 * 4 + 4² = 484

484 * 5 + 5² = 2445

46) Answer: D

1188 * ½ = 594

594 * 2/3 = 396

396 * ¾ = 297

297 * 4/5 = 237.6

237.6 * 5/6 = 198

47) Answer: B

148 + (13 * 2) = 174

174 + (13 * 4) = 226

226 + (13 * 6) = 304

304 + (13 * 8) = 408

408 + (13 * 10) = 538

48) Answer: C

13+14=27

14+27=41

27+41=68

41+68=109

68+109=177

49) Answer: C

7*1+2=9

9*2-3=15

15*3+4=49

49*4-5=191

191*5+6=961

50) Answer: C

3 *2 = 6

6 * 3= 18

18 *2 = 36

36 * 3= 108

108 * 2 = 216

216 * 3 = 648

 

Start Quiz

 

Directions (51-60): What value should come in the place of (?) in the following number series?

51) 7, 14, 42, 210, ?, 16170

A.420

B.630

C.105

D.210

E.1470

52) 91, 174, 321, 593, ?, 1912

A.1083

B.1071

C.1081

D.1091

E.1061

53) 214, 207, 193, 172, 144, ?

A.99

B.109

C.89

D.119

E.129

54) 324, 341, 392, 477, 596, ?

A.729

B.744

C.739

D.749

E.None of the above

55) 123, 139, 175, 239, 339, ?

A.482

B.473

C.483

D.493

E.503

56) 342, 217, 153, 126, 118, ?

A.118

B.102

C.110

D.117

E.119

57) 14, 28, 56, ?, 154, 224

A.112

B.98

C.118

D.77

E.142

58) 11, 12, 26, ?, 328, 1645

A.41

B.29

C.51

D.81

E.102

59) 7, 17, ?, 67, 107, 157

A.27

B.37

C.47

D.57

E.60

60) 64, 16, 20, 45, 146.25, ?

A.621.5625

B.621.3125

C.621.0125

D.623.125

E.None of the above

Answers :

51) Answer: E

7 * 2 = 14

14 * 3 = 42

42 * 5 = 210

210 * 7 = 1470

1470 * 11 = 16170

52) Answer: C

91               174             321             593             1081           1912

83                 147              272            488             831

64                  125            216            343

53) Answer: B

214            207             193             172             144             109

-7              -14               -21             -28               -35

54) Answer: D

324            341           392          477            596                 749

17             51             85           119              153

1*17         3*17          5*17         7*17            9*17

55) Answer: C

123       139          175         239         339          483

16         36          64             100         144

4²          6²          8²               10²            12²

56) Answer: D

342 – 5³ = 217

217 – 4³ = 153

153 – 3³ = 126

126 – 2³ = 118

118 – 1³ = 117

57) Answer: B

14 + 14 * 1 = 28

28 + 14 * 2 = 56

56 + 14 * 3 = 98

98 + 14 * 4 = 154

154 + 14 * 5 = 224

58) Answer: D

11 * 1 + 1 = 12

12 * 2 + 2 = 26

26 * 3 + 3 = 81

81 * 4 + 4 = 328

328 * 5 + 5 = 1645

59) Answer: B

7 + 10 * 1 = 17

17 + 10 * 2 = 37

37 + 10 * 3 = 67

67 + 10 * 4 = 107

107 + 10 * 5 = 157

60) Answer: A

64*0.25 = 16

16*1.25= 20

20*2.25=45

45*3.25= 146.25

146.25*4.25= 621.5625

 

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