Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 362 · 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 19 × 88 =
2. 2.Digital root of 82 × 81 =
3. 3.Digital root of 35 × 12 =
4. 4.Digital root of 14 × 93 =
5. 5.Digital root of 67 × 92 =
6. 6.Digital root of 88051 =
7. 7.Digital root of 78433 =
8. 8.Digital root of 62 × 62 =
9. 9.Digital root of 49 × 63 =
10. 10.Digital root of 67971 =
11. 11.Digital root of 16 × 21 =
12. 12.Digital root of 75082 =
13. 13.Digital root of 62 × 49 =
14. 14.Digital root of 75558 =
15. 15.Digital root of 7974 =
16. 16.Digital root of 44066 =
17. 17.Digital root of 47989 =
18. 18.Digital root of 65 × 62 =
19. 19.Digital root of 19 × 94 =
20. 20.Digital root of 16899 =
21. 21.Digital root of 55227 =
22. 22.Digital root of 20924 =
23. 23.Digital root of 36 × 61 =
24. 24.Digital root of 6454 =
25. 25.Digital root of 24912 =
26. 26.Digital root of 47145 =
27. 27.Digital root of 40 × 46 =
28. 28.Digital root of 86 × 72 =
29. 29.Digital root of 81 × 63 =
30. 30.Digital root of 15 × 89 =
31. 31.Digital root of 14 × 48 =
32. 32.Digital root of 77139 =
33. 33.Digital root of 90 × 30 =
34. 34.Digital root of 83 × 46 =
35. 35.Digital root of 92 × 47 =
36. 36.Digital root of 78 × 33 =
37. 37.Digital root of 32971 =
38. 38.Digital root of 76427 =
39. 39.Digital root of 44956 =
40. 40.Digital root of 90 × 83 =

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