MISSINGNUMBERSERIESQUESTIONS

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Important Missing Number Series Questions Free e-book

Q1. Find the next term in the series.

38, 51, 66, 83, 102, ?

1. 128 2. 115 3. 138 4. 123 5. 112

Answer key: 4 Solution: The pattern is as follows:

4 x 7 + 10 = 38

5 x 8 + 11 = 51

6 x 9 + 12 = 66

7 x 10 + 13 = 83

8 x 11 + 14 = 102

9 x 12 + 15 = 123

Q2. Find the next term in the series.

362, 324, 288, 254, 222, ?

1. 196 2. 208 3. 205 4. 192 5. 203

Answer key: 4 Solution:

The pattern is as follows:

192 + 1 = 362

182 + 0 = 324

Important Missing Number Series Questions Free e-book

172 + -1 = 288

162 + -2 = 254

152 + -3 = 222

142 + -4 = 192

Q3. Find the next term in the series.

6, 33, 87, 168, 276, ?

1. 411 2. 418 3. 403 4. 354 5. 345

Answer key: 1 Solution: The pattern is as follows:

6 + 27 x 1 = 33

33 + 27 x 2 = 87

87 + 27 x 3 = 168

168 + 27 x 4 = 276

276 + 27 x 5 = 411

Q4. Find the next term in the series.

1008, 1015, 1026, 1039, 1056, ?

1. 1099 2. 1119 3. 1075 4. 1161 5. 1135

Answer key: 3 Solution:

Important Missing Number Series Questions Free e-book

Consecutive prime numbers are added to the number:

1008 + 7 = 1015

1015 + 11 = 1026

1026 + 13 = 1039

1039 + 17 = 1056

1056 + 19 = 1075

Q5. Find the next term in the series.

342, 214, 122, 60, 22, ?

1. 6 2. 21 3. 8 4. 11 5. 2

Answer key: 5 Solution:

The pattern is as follows:

73 - 1 = 342

63 - 2 = 214

53 - 3 = 122

43 - 4 = 60

33 - 5 = 22

23 - 6 = 2

Q6. Find the next term in the series.

2, 3, 5, 7, 11, ?

1. 15 2. 29

Important Missing Number Series Questions Free e-book

3. 17 4. 21 5. 13

Answer key: 5 Solution:

The pattern 1 being multiplied by consecutive prime numbers:

1 x 2 = 2

1 x 3 = 3

1 x 5 = 5

1 x 7 = 7

1 x 11 = 11

1 x 13 = 13

Q7. Find the next term in the series.

48.0, 120.0, 420.0, 1890.0, 10395.0, ?

1. 67567.5 2. 67486.5 3. 67427.5 4. 67401.5 5. 67744.5 Answer key: 1 Solution:

The pattern is as follows:

48 x 2.5 = 120.0

120 x 3.5 = 420.0

420 x 4.5 = 1890.0

1890 x 5.5 = 10395.0

10395 x 6.5 = 67567.5

Important Missing Number Series Questions Free e-book

Q8. Find the next term in the series.

11, 23, 43, 73, 115, ?

1. 153 2. 147 3. 149 4. 151 5. 171

Answer key: 5 Solution:

The pattern is as follows:

11 + (3 x 4) = 23

23 + (4 x 5) = 43

43 + (5 x 6) = 73

73 + (6 x 7) = 115

115 + (7 x 8) = 171

Q9. Find the next term in the series.

36, 38, 43, 54, 71, ?

1. 113 2. 94 3. 70 4. 86 5. 90

Answer key: 2 Solution:

The pattern adds alternate prime numbers to the previous term:

36 + 2 = 38

38 + 5 = 43

43 + 11 = 54

Important Missing Number Series Questions Free e-book

54 + 17 = 71

71 + 23 = 94

Q10. Find the next term in the series.

6, 13, 22, 33, 46, ?

1. 2 2. 61 3. 70 4. 41 5. 46

Answer Key: 2 Solution:

The pattern is as follows:

5 x 1 + 1 = 6

6 x 2 + 1 = 13

7 x 3 + 1 = 22

8 x 4 + 1 = 33

9 x 5 + 1 = 46

10 x 6 + 1 = 61

Q11. Find the next term in the series.

2, 4, 12, 48, 240, ?

1. 360 2. 820 3. 1440 4. 1330 5. 290

Answer Key: 3 Solution:

The pattern is as follows:

Important Missing Number Series Questions Free e-book

2 x 2 = 4

4 x 3 = 12

12 x 4 = 48

48 x 5 = 240

240 x 6 = 1440

Q12. Find the next term in the series.

2985984, 248832, 20736, 1728, 144, ?

1. 17 2. 12 3. 38 4. 24 5. 40

Answer Key: 2 Solution:

The pattern is as follows:

2985984/12 = 248832

248832/12 = 20736

20736/12 = 1728

1728/12 = 144

144/12 = 12

Q13. Find the next term in the series.

176, 189, 200, 209, 216, ?

1. 221 2. 230 3. 249 4. 233 5. 248

Important Missing Number Series Questions Free e-book

Answer Key: 1 Solution:

The pattern is as follows:

22 x 8 = 176

21 x 9 = 189

20 x 10 = 200

19 x 11 = 209

18 x 12 = 216

17 x 13 = 221

Q14. Find the next term in the series.

5799, 5699, 5555, 5359, 5103, ?

1. 4785 2. 4787 3. 4779 4. 4793 5. 4791

Answer key: 3 Solution:

The pattern is as follows:

5799 - 102 = 5699

5699 - 122 = 5555

5555 - 142 = 5359

5359 - 162 = 5103

5103 - 182 = 4779

Important Missing Number Series Questions Free e-book

Q15. Find the next term in the series.

76, 76, 152, 228, 380, 608, ?

1. 988 2. 894 3. 876 4. 810 5. 888

Answer key: 1 Solution:

The pattern is as follows:

76 + 76 = 152

76 + 152 = 228

152 + 228 = 380

228 + 380 = 608

380 + 608 = 988

Q16. Find the next term in the series.

35, 105, 420, 2100, 12600, ?

1. 26159 2. 88200 3. 53781 4. 40319 5. 49689

Answer Key: 2 Solution:

The pattern is as follows:

35 x 3 = 105

105 x 4 = 420

420 x 5 = 2100

Important Missing Number Series Questions Free e-book

2100 x 6 = 12600

12600 x 7 = 88200

Q17. Find the next term in the series.

129, 141, 147, 159, 174, ?

1. 181 2. 186 3. 177 4. 176 5. 179

Answer key: 2 Solution:

The next number is obtained by adding the sum of the digits:

129 + 12 = 141

141 + 6 = 147

147 + 12 = 159

159 + 15 = 174

174 + 12 = 186

Q18. Find the next term in the series.

30, 66, 114, 174, 246, ?

1. 352 2. 330 3. 314 4. 285 5. 332

Answer Key: 2 Solution:

The pattern is shown below:

30 + 12 x 3 = 66

Important Missing Number Series Questions Free e-book

66 + 12 x 4 = 114

114 + 12 x 5 = 174

174 + 12 x 6 = 246

246 + 12 x 7 = 330

Q19. Find the next term in the series.

1137, 941, 772, 628, 507, ?

1. 441 2. 407 3. 477 4. 481 5. 465

Answer key:2 Solution:

The pattern is as follows:

1137 - 142 = 941

941 - 132 = 772

772 - 122 = 628

628 - 112 = 507

507 - 102 = 407

Q20. Find the next term in the series.

176, 192, 228, 292, 392, ?

1. 377 2. 618 3. 379 4. 350 5. 536

Answer key: 5 Solution:

Important Missing Number Series Questions Free e-book

The pattern is as follows:

176 + 42 = 192

192 + 62 = 228

228 + 82 = 292

292 + 102 = 392

392 + 122 = 536

Q21. Find the next term in the series.

12, 72, 504, 4032, 36288, ?

1. 363000 2. 362880 3. 363020 4. 362710 5. 362930

Answer key: 2 Solution:

The pattern is as follows:

12 x 6 = 72

72 x 7 = 504

504 x 8 = 4032

4032 x 9 = 36288

36288 x 10 = 362880

Q22. Find the next term in the series.

18, 27, 36, 45, 54, ?

1. 68 2. 71 3. 63 4. 70 5. 54

Important Missing Number Series Questions Free e-book

Answer Key: 3 Solution:

The next number is obtained by adding sum of digits of the previous number:

18 + 1 + 8 = 27

27 + 2 + 7 = 36

36 + 3 + 6 = 45

45 + 4 + 5 = 54

54 + 5 + 4 = 63

Q23. Find the next term in the series.

24, 37, 76, 141, 232, ?

1. 363 2. 373 3. 375 4. 343 5. 349

Answer Key: 5 Solution:

The pattern is as follows:

24 + 13 x 1 = 37

37 + 13 x 3 = 76

76 + 13 x 5 = 141

141 + 13 x 7 = 232

232 + 13 x 9 = 349

Important Missing Number Series Questions Free e-book

Q24. Find the next term in the series.

5760, 960, 192, 48, 16, ?

1. 8 2. 66 3. 106 4. 24 5. 96

Answer key: 1 Solution:

The pattern is as follows:

5760 ÷ 6 = 960

960 ÷ 5 = 192

192 ÷ 4 = 48

48 ÷ 3 = 16

16 ÷ 2 = 8

Q25. Find the next term in the series.

298, 442, 474, 586, 826, ?

1. 946 2. 837 3. 915 4. 932 5. 922

Answer key: 5 Solution:

The next term is obtained by adding the number to the product of its digits.

298 + 144 = 442

442 + 32 = 474

474 + 112 = 586

Important Missing Number Series Questions Free e-book

586 + 240 = 826

826 + 96 = 922

Q26. Find the next term in the series.

1072, 1512, 2060, 2728, 3528, ?

1. 4504 2. 4472 3. 4490 4. 4483 5. 4444

Answer Key: 2 Solution:

The pattern is as follows:

73 + 93 = 1072

83 + 103 = 1512

93 + 113 = 2060

103 + 123 = 2728

113 + 133 = 3528

123 + 143 = 4472

Q27. Find the next term in the series.

22, 24, 27, 32, 39, ?

1. 42 2. 50 3. 66 4. 54 5. 34

Answer Key: 2 Solution:

The pattern adds prime numbers to the previous term:

Important Missing Number Series Questions Free e-book

22 + 2 = 24

24 + 3 = 27

27 + 5 = 32

32 + 7 = 39

39 + 11 = 50

Q28. Find the next term in the series.

9, 27, 162, 486, 2916, 8748, ?

1. 52488 2. 10672 3. 36538 4. 30352 5. 41912

Answer Key: 1 Solution:

The pattern is as follows:

9 x 3 = 27, 27 x 6 = 162

162 x 3 = 486, 486 x 6 = 2916

2916 x 3 = 8748, 8748 x 6 = 52488

Q29. Find the next term in the series.

192, 317, 829, 2160, 4904, ?

1. 9701 2. 9817 3. 9685 4. 9933 5. 9716

Answer key: 2 Solution:

The pattern is as follows:

Important Missing Number Series Questions Free e-book

192 + 53 = 317

317 + 83 = 829

829 + 113 = 2160

2160 + 143 = 4904

4904 + 173 = 9817

Q30. Find the next term in the series.

6241, 3844, 2116, 961, 289, ?

1. 16 2. 25 3. 1 4. 4 5. 36

Answer key: 1 Solution:

The pattern is as shown below:

(79 - 17)2 = 622 = 3844

(62 - 16)2 = 462 = 2116

(46 - 15)2 = 312 = 961

(31 - 14)2 = 172 = 289

(17 - 13)2 = 42 = 16

Q31. Find the next term in the series.

17, 26, 37, 50, 65, ?

1. 162 2. 120 3. 146 4. 82 5. 154

Answer Key: 4

Important Missing Number Series Questions Free e-book

Solution:

The pattern is as follows:

3 x 4 + 5 = 17

4 x 5 + 6 = 26

5 x 6 + 7 = 37

6 x 7 + 8 = 50

7 x 8 + 9 = 65

8 x 9 + 10 = 82

Q32. Find the next term in the series.

25, 20, 33, 90, 349, ?

1. 1716 2. 1710 3. 1758 4. 1725 5. 1732

Answer Key: 5 Solution:

The pattern is shown below:

25 x 1 - 5 = 20

20 x 2 - 7 = 33

33 x 3 - 9 = 90

90 x 4 - 11 = 349

349 x 5 - 13 = 1732

Q33. Find the next term in the series.

2202, 2750, 3382, 4104, 4922, ?

1. 5842

Important Missing Number Series Questions Free e-book

2. 5848 3. 5859 4. 4926 5. 5834

Answer Key: 1 Solution:

The series is as follows:

133 + 5 = 2202

143 + 6 = 2750

153 + 7 = 3382

163 + 8 = 4104

173 + 9 = 4922

183 + 10 = 5842

Q34. Find the next term in the series.

4.41, 5.29, 6.25, 7.29, 8.41, ?

1. 10.13 2. 10.26 3. 10.30 4. 9.61 5. 9.58 Answer Key: 4 Solution:

The pattern is as follows:

2.12 = 4.41

2.32 = 5.29

2.52 = 6.25

2.72 = 7.29

2.92 = 8.41

Important Missing Number Series Questions Free e-book

3.12 = 9.61

Q35. Find the next term in the series.

304, 368, 512, 768, 1168, ?

1. 1757 2. 1736 3. 1766 4. 1536 5. 1744

Answer Key: 5 Solution:

The series is as follows:

304 + 82 = 368

368 + 122 = 512

512 + 162 = 768

768 + 202 = 1168

1168 + 242 = 1744

Q36. Find the next term in the series.

1176, 1029, 882, 735, 588, ?

1. 473 2. 461 3. 434 4. 451 5. 441

Answer Key: 5 Solution:

The series is as follows:

1176 x 7/8 = 1029

1029 x 6/7 = 882

Important Missing Number Series Questions Free e-book

882 x 5/6 = 735

735 x 4/5 = 588

588 x 3/4 = 441

Q37. Find the next term in the series.

1048, 1112, 1237, 1453, 1796, ?

1. 1970 2. 2184 3. 2258 4. 2350 5. 2308

Answer Key: 5 Solution:

The pattern is as follows:

1048 + 43 = 1112

1112 + 53 = 1237

1237 + 63 = 1453

1453 + 73 = 1796

1796 + 83 = 2308

Q38. Find the next term in the series.

1173, 1248, 1305, 1344, ?

1. 1346 2. 1358 3. 1387 4. 1375 5. 1365

Answer Key: 5 Solution:

The series is as follows:

Important Missing Number Series Questions Free e-book

51 x 23 = 1173

48 x 26 = 1248

45 x 29 = 1305

42 x 32 = 1344

39 x 35 = 1365

Q39. Find the next term in the series.

10, 16, 28, 48, 78, ?

1. 128 2. 124 3. 92 4. 120 5. 142

Answer Key: 4 Solution:

The pattern is as follows:

10 + (2 x 3) = 16

16 + (3 x 4) = 28

28 + (4 x 5) = 48

48 + (5 x 6) = 78

78 + (6 x 7) = 120

Q40. Find the next term in the series.

4, 20, 60, 300, 900, 4500, ?

1. 13500 2. 12532 3. 11660 4. 12664 5. 11860

Important Missing Number Series Questions Free e-book

Answer Key: 1 Solution:

The pattern is as follows:

4 x 5 = 20, 20 x 3 = 60

60 x 5 = 300, 300 x 3 = 900

900 x 5 = 4500, 4500 x 3 = 13500

Q41. Find the next term in the series.

6, 24, 144, 1152, 11520, ?

1. 69300 2. 129970 3. 138240 4. 16020 5. 71720

Answer Key: 3 Solution:

The pattern is as follows:

6 x 4 = 24

24 x 6 = 144

144 x 8 = 1152

1152 x 10 = 11520

11520 x 12 = 138240

Q42. Find the next term in the series.

64, 64, 128, 192, 320, 512, ?

1. 924 2. 832 3. 646 4. 792 5. 922

Important Missing Number Series Questions Free e-book

Answer Key: 2 Solution:

The pattern is as follows:

64 + 64 = 128

64 + 128 = 192

128 + 192 = 320

192 + 320 = 512

320 + 512 = 832

Q43. Find the next term in the series.

30240, 4320, 720, 144, 36, ?

1. 70 2. 62 3. 92 4. 12 5. 36

Answer Key: 4 Solution:

The pattern is as follows:

30240 ÷ 7 = 4320

4320 ÷ 6 = 720

720 ÷ 5 = 144

144 ÷ 4 = 36

36 ÷ 3 = 12

Q44. Find the next term in the series.

32.49, 33.64, 34.81, 36.0, 37.21, ?

1. 38.85 2. 38.96 3. 38.79

Important Missing Number Series Questions Free e-book

4. 38.44 5. 38.48 Answer Key: 4 Solution:

The pattern is as follows:

5.72 = 32.49

5.82 = 33.64

5.92 = 34.81

6.02 = 36.0

6.12 = 37.21

6.22 = 38.44

Q45. Find the next term in the series.

1099, 955, 834, 734, 653, ?

1. 635 2. 639 3. 655 4. 589 5. 603

Answer Key: 4 Solution:

The pattern is as follows:

1099 - 122 = 955

955 - 112 = 834

834 - 102 = 734

734 - 92 = 653

653 - 82 = 589

Important Missing Number Series Questions Free e-book

Q46. Find the next term in the series.

59, 79, 101, 125, 151, ?

1. 189 2. 251 3. 165 4. 179 5. 249

Answer Key: 4 Solution:

The pattern is as follows:

14 x 4 + 3 = 59

15 x 5 + 4 = 79

16 x 6 + 5 = 101

17 x 7 + 6 = 125

18 x 8 + 7 = 151

19 x 9 + 8 = 179

Q47. Find the next term in the series.

842, 906, 1031, 1247, 1590, ?

1. 2146 2. 1892 3. 2102 4. 1674 5. 1914

Answer key: 3 Solution:

The pattern is as follows:

842 + 43 = 906

906 + 53 = 1031

1031 + 63 = 1247

Important Missing Number Series Questions Free e-book

1247 + 73 = 1590

1590 + 83 = 2102

Q48. Find the next term in the series.

1138, 1151, 1168, 1187, 1210, ?

1. 1253 2. 1295 3. 1239 4. 1249 5. 1289

Answer Key: 3 Solution:

Consecutive prime numbers are added to the number:

1138 + 13 = 1151

1151 + 17 = 1168

1168 + 19 = 1187

1187 + 23 = 1210

1210 + 29 = 1239

Q49. Find the next term in the series.

29, 40, 53, 68, 85, ?

1. 114 2. 107 3. 104 4. 87 5. 89

Answer Key: 3 Solution:

The pattern is as follows:

4 x 5 + 9 = 29

Important Missing Number Series Questions Free e-book

5 x 6 + 10 = 40

6 x 7 + 11 = 53

7 x 8 + 12 = 68

8 x 9 + 13 = 85

9 x 10 + 14 = 104

Q50. Find the next term in the series.

13, 17, 25, 32, 37, ?

1. 472. 563. 384. 555. 41

Answer Key: 1 Solution:

The next number is obtained by adding sum of digits of the previous number:

13 + 1 + 3 = 17

17 + 1 + 7 = 25

25 + 2 + 5 = 32

32 + 3 + 2 = 37

37 + 3 + 7 = 47

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