Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 396 · 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 82 × 85 =
2. 2.Digital root of 74049 =
3. 3.Digital root of 84785 =
4. 4.Digital root of 83040 =
5. 5.Digital root of 24 × 90 =
6. 6.Digital root of 27 × 82 =
7. 7.Digital root of 87 × 13 =
8. 8.Digital root of 6957 =
9. 9.Digital root of 25940 =
10. 10.Digital root of 2146 =
11. 11.Digital root of 94106 =
12. 12.Digital root of 17 × 49 =
13. 13.Digital root of 36902 =
14. 14.Digital root of 94 × 51 =
15. 15.Digital root of 77088 =
16. 16.Digital root of 11070 =
17. 17.Digital root of 85 × 53 =
18. 18.Digital root of 13 × 59 =
19. 19.Digital root of 81 × 15 =
20. 20.Digital root of 34 × 65 =
21. 21.Digital root of 40161 =
22. 22.Digital root of 93 × 54 =
23. 23.Digital root of 18 × 37 =
24. 24.Digital root of 75726 =
25. 25.Digital root of 18 × 26 =
26. 26.Digital root of 82 × 55 =
27. 27.Digital root of 4114 =
28. 28.Digital root of 29 × 77 =
29. 29.Digital root of 35 × 14 =
30. 30.Digital root of 87 × 72 =
31. 31.Digital root of 68 × 86 =
32. 32.Digital root of 95 × 19 =
33. 33.Digital root of 95 × 13 =
34. 34.Digital root of 54 × 61 =
35. 35.Digital root of 12 × 31 =
36. 36.Digital root of 41153 =
37. 37.Digital root of 34149 =
38. 38.Digital root of 32 × 52 =
39. 39.Digital root of 10368 =
40. 40.Digital root of 71281 =

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