Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 541 · 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 20800 =
2. 2.Digital root of 51 × 77 =
3. 3.Digital root of 36321 =
4. 4.Digital root of 32 × 95 =
5. 5.Digital root of 28615 =
6. 6.Digital root of 7767 =
7. 7.Digital root of 33602 =
8. 8.Digital root of 42 × 66 =
9. 9.Digital root of 13 × 19 =
10. 10.Digital root of 22 × 69 =
11. 11.Digital root of 86 × 76 =
12. 12.Digital root of 37 × 68 =
13. 13.Digital root of 4943 =
14. 14.Digital root of 79937 =
15. 15.Digital root of 40 × 54 =
16. 16.Digital root of 64947 =
17. 17.Digital root of 70181 =
18. 18.Digital root of 38450 =
19. 19.Digital root of 42 × 97 =
20. 20.Digital root of 36 × 65 =
21. 21.Digital root of 72004 =
22. 22.Digital root of 86 × 19 =
23. 23.Digital root of 46 × 50 =
24. 24.Digital root of 85 × 84 =
25. 25.Digital root of 51720 =
26. 26.Digital root of 19746 =
27. 27.Digital root of 11691 =
28. 28.Digital root of 20 × 83 =
29. 29.Digital root of 34 × 18 =
30. 30.Digital root of 62662 =
31. 31.Digital root of 27 × 78 =
32. 32.Digital root of 88 × 96 =
33. 33.Digital root of 39562 =
34. 34.Digital root of 80175 =
35. 35.Digital root of 10063 =
36. 36.Digital root of 35 × 68 =
37. 37.Digital root of 22943 =
38. 38.Digital root of 53819 =
39. 39.Digital root of 18 × 20 =
40. 40.Digital root of 74 × 26 =

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