Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 619 · 40 sums

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.

1. 1.Digital root of 79172 =
2. 2.Digital root of 71 × 23 =
3. 3.Digital root of 96593 =
4. 4.Digital root of 40301 =
5. 5.Digital root of 36 × 74 =
6. 6.Digital root of 23 × 87 =
7. 7.Digital root of 85 × 21 =
8. 8.Digital root of 75910 =
9. 9.Digital root of 11200 =
10. 10.Digital root of 82469 =
11. 11.Digital root of 57503 =
12. 12.Digital root of 29021 =
13. 13.Digital root of 13349 =
14. 14.Digital root of 58186 =
15. 15.Digital root of 44181 =
16. 16.Digital root of 43183 =
17. 17.Digital root of 63969 =
18. 18.Digital root of 62 × 79 =
19. 19.Digital root of 40 × 53 =
20. 20.Digital root of 17 × 54 =
21. 21.Digital root of 67 × 90 =
22. 22.Digital root of 31682 =
23. 23.Digital root of 56 × 25 =
24. 24.Digital root of 66303 =
25. 25.Digital root of 93298 =
26. 26.Digital root of 67063 =
27. 27.Digital root of 10099 =
28. 28.Digital root of 50 × 39 =
29. 29.Digital root of 37047 =
30. 30.Digital root of 15 × 63 =
31. 31.Digital root of 55088 =
32. 32.Digital root of 88 × 71 =
33. 33.Digital root of 70 × 34 =
34. 34.Digital root of 95851 =
35. 35.Digital root of 40 × 25 =
36. 36.Digital root of 73 × 38 =
37. 37.Digital root of 32742 =
38. 38.Digital root of 31 × 13 =
39. 39.Digital root of 18 × 75 =
40. 40.Digital root of 30 × 31 =

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