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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 74 · 40 sums
TalentJR

The trick (Gunita Samuccayah): Add the digits of a number; keep adding until one digit is left (a total of 9 stays 9). For a product, multiply the digital roots of the two numbers and take the digital root of that. If your answer’s digital root is different, the answer is wrong.

NameDateTime takenScore ___ / 40
  1. 1.Digital root of 19348 =
  2. 2.Digital root of 15 × 49 =
  3. 3.Digital root of 25 × 88 =
  4. 4.Digital root of 75 × 13 =
  5. 5.Digital root of 32758 =
  6. 6.Digital root of 34667 =
  7. 7.Digital root of 40339 =
  8. 8.Digital root of 11727 =
  9. 9.Digital root of 1231 =
  10. 10.Digital root of 63402 =
  11. 11.Digital root of 30936 =
  12. 12.Digital root of 55936 =
  13. 13.Digital root of 55183 =
  14. 14.Digital root of 45 × 20 =
  15. 15.Digital root of 4851 =
  16. 16.Digital root of 8195 =
  17. 17.Digital root of 87 × 89 =
  18. 18.Digital root of 50355 =
  19. 19.Digital root of 58 × 71 =
  20. 20.Digital root of 24 × 77 =
  21. 21.Digital root of 99 × 33 =
  22. 22.Digital root of 73 × 35 =
  23. 23.Digital root of 26 × 61 =
  24. 24.Digital root of 6295 =
  25. 25.Digital root of 25 × 21 =
  26. 26.Digital root of 49 × 30 =
  27. 27.Digital root of 14889 =
  28. 28.Digital root of 93903 =
  29. 29.Digital root of 93192 =
  30. 30.Digital root of 57 × 56 =
  31. 31.Digital root of 8637 =
  32. 32.Digital root of 43 × 20 =
  33. 33.Digital root of 43 × 65 =
  34. 34.Digital root of 14934 =
  35. 35.Digital root of 67 × 70 =
  36. 36.Digital root of 24 × 19 =
  37. 37.Digital root of 78994 =
  38. 38.Digital root of 18 × 50 =
  39. 39.Digital root of 11845 =
  40. 40.Digital root of 74 × 55 =

Answer key

  1. 7
  2. 6
  3. 4
  4. 3
  5. 7
  6. 8
  7. 1
  8. 9
  9. 7
  10. 6
  11. 3
  12. 1
  13. 4
  14. 9
  15. 9
  16. 5
  17. 3
  18. 9
  19. 5
  20. 3
  21. 9
  22. 8
  23. 2
  24. 4
  25. 3
  26. 3
  27. 3
  28. 6
  29. 6
  30. 6
  31. 6
  32. 5
  33. 5
  34. 3
  35. 1
  36. 6
  37. 1
  38. 9
  39. 1
  40. 2

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