Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 71 · 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 54 × 98 =
2. 2.Digital root of 19 × 32 =
3. 3.Digital root of 28633 =
4. 4.Digital root of 56 × 53 =
5. 5.Digital root of 36 × 86 =
6. 6.Digital root of 34 × 99 =
7. 7.Digital root of 74 × 23 =
8. 8.Digital root of 44769 =
9. 9.Digital root of 15882 =
10. 10.Digital root of 36 × 14 =
11. 11.Digital root of 83779 =
12. 12.Digital root of 49396 =
13. 13.Digital root of 82557 =
14. 14.Digital root of 57 × 18 =
15. 15.Digital root of 37 × 28 =
16. 16.Digital root of 13 × 72 =
17. 17.Digital root of 13 × 59 =
18. 18.Digital root of 83211 =
19. 19.Digital root of 32873 =
20. 20.Digital root of 11813 =
21. 21.Digital root of 23 × 91 =
22. 22.Digital root of 98638 =
23. 23.Digital root of 49 × 63 =
24. 24.Digital root of 26266 =
25. 25.Digital root of 23 × 12 =
26. 26.Digital root of 89246 =
27. 27.Digital root of 48 × 17 =
28. 28.Digital root of 50588 =
29. 29.Digital root of 26 × 91 =
30. 30.Digital root of 14994 =
31. 31.Digital root of 80194 =
32. 32.Digital root of 12 × 31 =
33. 33.Digital root of 21878 =
34. 34.Digital root of 23072 =
35. 35.Digital root of 36 × 67 =
36. 36.Digital root of 73111 =
37. 37.Digital root of 38 × 26 =
38. 38.Digital root of 71 × 25 =
39. 39.Digital root of 42 × 15 =
40. 40.Digital root of 29 × 18 =

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