Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 452 · 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 25 × 86 =
2. 2.Digital root of 67 × 37 =
3. 3.Digital root of 43 × 43 =
4. 4.Digital root of 46 × 41 =
5. 5.Digital root of 75 × 77 =
6. 6.Digital root of 71 × 90 =
7. 7.Digital root of 82279 =
8. 8.Digital root of 44673 =
9. 9.Digital root of 52 × 65 =
10. 10.Digital root of 68489 =
11. 11.Digital root of 91 × 21 =
12. 12.Digital root of 17 × 34 =
13. 13.Digital root of 55 × 90 =
14. 14.Digital root of 54297 =
15. 15.Digital root of 97 × 96 =
16. 16.Digital root of 1196 =
17. 17.Digital root of 56928 =
18. 18.Digital root of 67 × 27 =
19. 19.Digital root of 33 × 37 =
20. 20.Digital root of 85 × 39 =
21. 21.Digital root of 91812 =
22. 22.Digital root of 62704 =
23. 23.Digital root of 78145 =
24. 24.Digital root of 43833 =
25. 25.Digital root of 84 × 39 =
26. 26.Digital root of 28 × 32 =
27. 27.Digital root of 5083 =
28. 28.Digital root of 1669 =
29. 29.Digital root of 35 × 25 =
30. 30.Digital root of 9067 =
31. 31.Digital root of 59 × 17 =
32. 32.Digital root of 31770 =
33. 33.Digital root of 68 × 33 =
34. 34.Digital root of 28 × 81 =
35. 35.Digital root of 49094 =
36. 36.Digital root of 41 × 46 =
37. 37.Digital root of 98711 =
38. 38.Digital root of 85795 =
39. 39.Digital root of 80 × 13 =
40. 40.Digital root of 93589 =

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