Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 592 · 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 20 × 54 =
2. 2.Digital root of 24 × 47 =
3. 3.Digital root of 17674 =
4. 4.Digital root of 18 × 65 =
5. 5.Digital root of 77280 =
6. 6.Digital root of 13 × 32 =
7. 7.Digital root of 87 × 12 =
8. 8.Digital root of 29090 =
9. 9.Digital root of 22 × 34 =
10. 10.Digital root of 17 × 36 =
11. 11.Digital root of 23992 =
12. 12.Digital root of 14 × 37 =
13. 13.Digital root of 23227 =
14. 14.Digital root of 82828 =
15. 15.Digital root of 15 × 95 =
16. 16.Digital root of 44 × 49 =
17. 17.Digital root of 73 × 57 =
18. 18.Digital root of 6699 =
19. 19.Digital root of 16 × 24 =
20. 20.Digital root of 78 × 67 =
21. 21.Digital root of 37404 =
22. 22.Digital root of 93717 =
23. 23.Digital root of 50021 =
24. 24.Digital root of 1487 =
25. 25.Digital root of 69 × 21 =
26. 26.Digital root of 61593 =
27. 27.Digital root of 81 × 60 =
28. 28.Digital root of 35 × 65 =
29. 29.Digital root of 83 × 54 =
30. 30.Digital root of 20470 =
31. 31.Digital root of 25 × 58 =
32. 32.Digital root of 88736 =
33. 33.Digital root of 5542 =
34. 34.Digital root of 37 × 55 =
35. 35.Digital root of 14980 =
36. 36.Digital root of 64224 =
37. 37.Digital root of 21288 =
38. 38.Digital root of 66398 =
39. 39.Digital root of 52 × 33 =
40. 40.Digital root of 21465 =

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