← Number patterns: what comes next? lesson New set →

Number Series Worksheet for Maths Olympiad

Maths Olympiad topic 2: Number patterns: what comes next? · Set 942 · 40 questions
TalentJR

How to solve it (Look at the gaps): Look at two numbers side by side and find the jump: 5 → 10 is a jump of +5. Is the jump the same every time? Then add the same jump once more to the last number. Going down? Take away the same jump. Harder patterns: the jump can grow (+2, +3, +4 …) or the numbers can double (2, 4, 8, 16 …).

NameDateTime takenScore ___ / 40
  1. 1.What comes next? 11, 14, 13, 16, 15, 18, ? (a) 21 (b) 16 (c) 17 (d) 19
  2. 2.What comes next? 44, 36, 28, 20, 12, ? (a) 5 (b) 3 (c) 6 (d) 4
  3. 3.What comes next? 29, 40, 51, 62, 73, ? (a) 95 (b) 85 (c) 84 (d) 83
  4. 4.What comes next? 1, 3, 6, 10, 15, ? (a) 22 (b) 20 (c) 23 (d) 21
  5. 5.What comes next? 14, 23, 32, 41, 50, ? (a) 58 (b) 59 (c) 60 (d) 68
  6. 6.What comes next? 13, 20, 17, 24, 21, 28, ? (a) 25 (b) 35 (c) 24 (d) 31
  7. 7.What comes next? 69, 60, 51, 42, 33, ? (a) 25 (b) 23 (c) 15 (d) 24
  8. 8.What comes next? 22, 30, 38, 46, 54, ? (a) 61 (b) 70 (c) 63 (d) 62
  9. 9.What comes next? 19, 20, 22, 25, 29, ? (a) 34 (b) 33 (c) 35 (d) 36
  10. 10.What comes next? 12, 20, 15, 23, 18, 26, ? (a) 34 (b) 21 (c) 20 (d) 31
  11. 11.What comes next? 4, 8, 16, 32, 64, ? (a) 160 (b) 129 (c) 128 (d) 96
  12. 12.What comes next? 13, 18, 15, 20, 17, 22, ? (a) 18 (b) 25 (c) 27 (d) 19
  13. 13.What comes next? 2, 6, 18, 54, ? (a) 180 (b) 144 (c) 162 (d) 90
  14. 14.What comes next? 29, 25, 21, 17, 13, ? (a) 10 (b) 8 (c) 5 (d) 9
  15. 15.What comes next? 12, 15, 19, 24, 30, ? (a) 37 (b) 39 (c) 38 (d) 36
  16. 16.What comes next? 11, 20, 19, 28, 27, 36, ? (a) 37 (b) 35 (c) 34 (d) 45
  17. 17.What comes next? 9, 15, 14, 20, 19, 25, ? (a) 26 (b) 24 (c) 31 (d) 23
  18. 18.What comes next? 30, 42, 54, 66, 78, ? (a) 102 (b) 91 (c) 89 (d) 90
  19. 19.What comes next? 5, 10, 20, 40, 80, ? (a) 200 (b) 120 (c) 160 (d) 161
  20. 20.What comes next? 50, 43, 36, 29, 22, ? (a) 8 (b) 14 (c) 15 (d) 16
  21. 21.What comes next? 11, 18, 17, 24, 23, 30, ? (a) 28 (b) 31 (c) 37 (d) 29
  22. 22.What comes next? 12, 15, 14, 17, 16, 19, ? (a) 22 (b) 17 (c) 20 (d) 18
  23. 23.What comes next? 2, 14, 26, 38, 50, ? (a) 74 (b) 62 (c) 61 (d) 63
  24. 24.What comes next? 1, 2, 4, 7, 11, ? (a) 18 (b) 16 (c) 17 (d) 15
  25. 25.What comes next? 57, 50, 43, 36, 29, ? (a) 15 (b) 23 (c) 21 (d) 22
  26. 26.What comes next? 66, 57, 48, 39, 30, ? (a) 20 (b) 12 (c) 22 (d) 21
  27. 27.What comes next? 3, 9, 27, 81, ? (a) 216 (b) 243 (c) 135 (d) 270
  28. 28.What comes next? 20, 28, 36, 44, 52, ? (a) 59 (b) 60 (c) 61 (d) 68
  29. 29.What comes next? 6, 12, 24, 48, 96, ? (a) 144 (b) 193 (c) 240 (d) 192
  30. 30.What comes next? 3, 11, 4, 12, 5, 13, ? (a) 21 (b) 5 (c) 6 (d) 20
  31. 31.What comes next? 19, 23, 28, 34, 41, ? (a) 49 (b) 50 (c) 48 (d) 51
  32. 32.What comes next? 6, 9, 13, 18, 24, ? (a) 30 (b) 31 (c) 32 (d) 33
  33. 33.What comes next? 17, 27, 37, 47, 57, ? (a) 77 (b) 66 (c) 67 (d) 68
  34. 34.What comes next? 4, 6, 9, 13, 18, ? (a) 26 (b) 24 (c) 25 (d) 23
  35. 35.What comes next? 69, 61, 53, 45, 37, ? (a) 30 (b) 29 (c) 28 (d) 21
  36. 36.What comes next? 5, 13, 21, 29, 37, ? (a) 53 (b) 44 (c) 46 (d) 45
  37. 37.What comes next? 16, 17, 19, 22, 26, ? (a) 30 (b) 31 (c) 33 (d) 32
  38. 38.What comes next? 18, 20, 22, 24, 26, ? (a) 30 (b) 28 (c) 27 (d) 29
  39. 39.What comes next? 9, 18, 10, 19, 11, 20, ? (a) 29 (b) 28 (c) 11 (d) 12
  40. 40.What comes next? 5, 7, 10, 14, 19, ? (a) 26 (b) 24 (c) 27 (d) 25

Answer key

  1. 17
  2. 4
  3. 84
  4. 21
  5. 59
  6. 25
  7. 24
  8. 62
  9. 34
  10. 21
  11. 128
  12. 19
  13. 162
  14. 9
  15. 37
  16. 35
  17. 24
  18. 90
  19. 160
  20. 15
  21. 29
  22. 18
  23. 62
  24. 16
  25. 22
  26. 21
  27. 243
  28. 60
  29. 192
  30. 6
  31. 49
  32. 31
  33. 67
  34. 24
  35. 29
  36. 45
  37. 31
  38. 28
  39. 12
  40. 25

Free maths olympiad lessons, practice and worksheets at talentjr.in/maths-olympiad