Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 929 · 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 52 × 44 =
2. 2.Digital root of 75 × 63 =
3. 3.Digital root of 75 × 47 =
4. 4.Digital root of 29 × 20 =
5. 5.Digital root of 16 × 56 =
6. 6.Digital root of 14034 =
7. 7.Digital root of 26130 =
8. 8.Digital root of 22492 =
9. 9.Digital root of 21 × 21 =
10. 10.Digital root of 17616 =
11. 11.Digital root of 12192 =
12. 12.Digital root of 51 × 97 =
13. 13.Digital root of 64 × 76 =
14. 14.Digital root of 26662 =
15. 15.Digital root of 83450 =
16. 16.Digital root of 73 × 30 =
17. 17.Digital root of 48200 =
18. 18.Digital root of 15523 =
19. 19.Digital root of 45 × 74 =
20. 20.Digital root of 35474 =
21. 21.Digital root of 62295 =
22. 22.Digital root of 41 × 76 =
23. 23.Digital root of 96 × 16 =
24. 24.Digital root of 71 × 68 =
25. 25.Digital root of 91 × 23 =
26. 26.Digital root of 61427 =
27. 27.Digital root of 76828 =
28. 28.Digital root of 26 × 71 =
29. 29.Digital root of 73512 =
30. 30.Digital root of 59059 =
31. 31.Digital root of 38399 =
32. 32.Digital root of 991 =
33. 33.Digital root of 39 × 68 =
34. 34.Digital root of 29826 =
35. 35.Digital root of 77 × 80 =
36. 36.Digital root of 39397 =
37. 37.Digital root of 41145 =
38. 38.Digital root of 2712 =
39. 39.Digital root of 81 × 78 =
40. 40.Digital root of 12 × 81 =

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