Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 41 · 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 × 27 =
2. 2.Digital root of 31 × 89 =
3. 3.Digital root of 42 × 19 =
4. 4.Digital root of 33 × 60 =
5. 5.Digital root of 79 × 42 =
6. 6.Digital root of 15123 =
7. 7.Digital root of 59 × 34 =
8. 8.Digital root of 10572 =
9. 9.Digital root of 23 × 65 =
10. 10.Digital root of 85 × 98 =
11. 11.Digital root of 79303 =
12. 12.Digital root of 76391 =
13. 13.Digital root of 70115 =
14. 14.Digital root of 57 × 38 =
15. 15.Digital root of 33103 =
16. 16.Digital root of 21 × 45 =
17. 17.Digital root of 90 × 20 =
18. 18.Digital root of 53 × 69 =
19. 19.Digital root of 20651 =
20. 20.Digital root of 10740 =
21. 21.Digital root of 73 × 63 =
22. 22.Digital root of 28 × 37 =
23. 23.Digital root of 84772 =
24. 24.Digital root of 40552 =
25. 25.Digital root of 64164 =
26. 26.Digital root of 7365 =
27. 27.Digital root of 93 × 30 =
28. 28.Digital root of 93 × 93 =
29. 29.Digital root of 98124 =
30. 30.Digital root of 33186 =
31. 31.Digital root of 89509 =
32. 32.Digital root of 22 × 82 =
33. 33.Digital root of 46388 =
34. 34.Digital root of 88227 =
35. 35.Digital root of 99596 =
36. 36.Digital root of 14 × 87 =
37. 37.Digital root of 88137 =
38. 38.Digital root of 97 × 31 =
39. 39.Digital root of 32 × 26 =
40. 40.Digital root of 7060 =

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