Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 227 · 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 28014 =
2. 2.Digital root of 50 × 77 =
3. 3.Digital root of 4752 =
4. 4.Digital root of 10028 =
5. 5.Digital root of 36 × 21 =
6. 6.Digital root of 94 × 63 =
7. 7.Digital root of 55857 =
8. 8.Digital root of 98576 =
9. 9.Digital root of 73 × 77 =
10. 10.Digital root of 84 × 94 =
11. 11.Digital root of 90 × 75 =
12. 12.Digital root of 7962 =
13. 13.Digital root of 98809 =
14. 14.Digital root of 47579 =
15. 15.Digital root of 66603 =
16. 16.Digital root of 21 × 71 =
17. 17.Digital root of 79 × 72 =
18. 18.Digital root of 18 × 91 =
19. 19.Digital root of 50013 =
20. 20.Digital root of 73539 =
21. 21.Digital root of 99443 =
22. 22.Digital root of 17 × 57 =
23. 23.Digital root of 72 × 50 =
24. 24.Digital root of 80 × 20 =
25. 25.Digital root of 83 × 17 =
26. 26.Digital root of 66 × 43 =
27. 27.Digital root of 30 × 36 =
28. 28.Digital root of 63 × 38 =
29. 29.Digital root of 60 × 66 =
30. 30.Digital root of 30 × 58 =
31. 31.Digital root of 64008 =
32. 32.Digital root of 24783 =
33. 33.Digital root of 57 × 36 =
34. 34.Digital root of 54 × 48 =
35. 35.Digital root of 61 × 60 =
36. 36.Digital root of 13939 =
37. 37.Digital root of 23 × 94 =
38. 38.Digital root of 71 × 90 =
39. 39.Digital root of 39034 =
40. 40.Digital root of 62 × 77 =

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