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

Number Series Worksheet for Maths Olympiad

Maths Olympiad topic 2: Number patterns: what comes next? · Set 352 · 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? 62, 54, 46, 38, 30, ? (a) 23 (b) 22 (c) 21 (d) 14
  2. 2.What comes next? 29, 40, 51, 62, 73, ? (a) 95 (b) 83 (c) 84 (d) 85
  3. 3.What comes next? 28, 32, 36, 40, 44, ? (a) 52 (b) 49 (c) 48 (d) 47
  4. 4.What comes next? 11, 9, 7, 5, 3, ? (a) 4 (b) 1 (c) 2 (d) 3
  5. 5.What comes next? 1, 2, 4, 8, 16, ? (a) 24 (b) 32 (c) 33 (d) 40
  6. 6.What comes next? 10, 18, 11, 19, 12, 20, ? (a) 13 (b) 28 (c) 12 (d) 27
  7. 7.What comes next? 7, 15, 8, 16, 9, 17, ? (a) 24 (b) 10 (c) 25 (d) 9
  8. 8.What comes next? 54, 49, 44, 39, 34, ? (a) 24 (b) 30 (c) 29 (d) 28
  9. 9.What comes next? 6, 10, 14, 18, 22, ? (a) 25 (b) 27 (c) 30 (d) 26
  10. 10.What comes next? 23, 25, 27, 29, 31, ? (a) 33 (b) 35 (c) 34 (d) 32
  11. 11.What comes next? 38, 33, 28, 23, 18, ? (a) 8 (b) 14 (c) 12 (d) 13
  12. 12.What comes next? 11, 17, 23, 29, 35, ? (a) 41 (b) 42 (c) 40 (d) 47
  13. 13.What comes next? 3, 9, 27, 81, ? (a) 216 (b) 243 (c) 270 (d) 135
  14. 14.What comes next? 57, 49, 41, 33, 25, ? (a) 17 (b) 18 (c) 16 (d) 9
  15. 15.What comes next? 2, 6, 18, 54, ? (a) 144 (b) 162 (c) 90 (d) 180
  16. 16.What comes next? 18, 21, 24, 27, 30, ? (a) 33 (b) 32 (c) 36 (d) 34
  17. 17.What comes next? 6, 10, 8, 12, 10, 14, ? (a) 16 (b) 11 (c) 12 (d) 18
  18. 18.What comes next? 5, 10, 20, 40, 80, ? (a) 160 (b) 120 (c) 200 (d) 161
  19. 19.What comes next? 14, 20, 18, 24, 22, 28, ? (a) 34 (b) 25 (c) 26 (d) 30
  20. 20.What comes next? 12, 21, 30, 39, 48, ? (a) 58 (b) 66 (c) 56 (d) 57
  21. 21.What comes next? 65, 58, 51, 44, 37, ? (a) 23 (b) 29 (c) 30 (d) 31
  22. 22.What comes next? 19, 17, 15, 13, 11, ? (a) 10 (b) 9 (c) 8 (d) 7
  23. 23.What comes next? 20, 23, 27, 32, 38, ? (a) 46 (b) 47 (c) 45 (d) 44
  24. 24.What comes next? 27, 24, 21, 18, 15, ? (a) 11 (b) 12 (c) 13 (d) 9
  25. 25.What comes next? 6, 12, 24, 48, 96, ? (a) 193 (b) 192 (c) 144 (d) 240
  26. 26.What comes next? 15, 21, 18, 24, 21, 27, ? (a) 33 (b) 30 (c) 23 (d) 24
  27. 27.What comes next? 5, 9, 14, 20, 27, ? (a) 35 (b) 36 (c) 37 (d) 34
  28. 28.What comes next? 8, 10, 13, 17, 22, ? (a) 27 (b) 29 (c) 30 (d) 28
  29. 29.What comes next? 42, 38, 34, 30, 26, ? (a) 18 (b) 21 (c) 22 (d) 23
  30. 30.What comes next? 15, 17, 19, 21, 23, ? (a) 24 (b) 26 (c) 25 (d) 27
  31. 31.What comes next? 1, 3, 9, 27, ? (a) 72 (b) 81 (c) 90 (d) 45
  32. 32.What comes next? 5, 8, 12, 17, 23, ? (a) 32 (b) 29 (c) 31 (d) 30
  33. 33.What comes next? 32, 28, 24, 20, 16, ? (a) 13 (b) 11 (c) 8 (d) 12
  34. 34.What comes next? 13, 17, 22, 28, 35, ? (a) 45 (b) 43 (c) 44 (d) 42
  35. 35.What comes next? 39, 37, 35, 33, 31, ? (a) 30 (b) 29 (c) 28 (d) 27
  36. 36.What comes next? 12, 18, 24, 30, 36, ? (a) 48 (b) 41 (c) 43 (d) 42
  37. 37.What comes next? 5, 9, 6, 10, 7, 11, ? (a) 7 (b) 8 (c) 14 (d) 15
  38. 38.What comes next? 66, 57, 48, 39, 30, ? (a) 22 (b) 12 (c) 20 (d) 21
  39. 39.What comes next? 19, 22, 26, 31, 37, ? (a) 43 (b) 46 (c) 45 (d) 44
  40. 40.What comes next? 28, 35, 42, 49, 56, ? (a) 62 (b) 64 (c) 63 (d) 70

Answer key

  1. 22
  2. 84
  3. 48
  4. 1
  5. 32
  6. 13
  7. 10
  8. 29
  9. 26
  10. 33
  11. 13
  12. 41
  13. 243
  14. 17
  15. 162
  16. 33
  17. 12
  18. 160
  19. 26
  20. 57
  21. 30
  22. 9
  23. 45
  24. 12
  25. 192
  26. 24
  27. 35
  28. 28
  29. 22
  30. 25
  31. 81
  32. 30
  33. 12
  34. 43
  35. 29
  36. 42
  37. 8
  38. 21
  39. 44
  40. 63

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