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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 624 · 40 sums
TalentJR

The trick (Yavadunam): Left part: the number + twice the difference. Middle part: 3 × the difference squared. Right part: the difference cubed. Each right-hand part has as many digits as the base has zeros — carry the extra, borrow if a part is negative.

NameDateTime takenScore ___ / 40
  1. 1.92³ =
  2. 2.990³ =
  3. 3.97³ =
  4. 4.1013³ =
  5. 5.991³ =
  6. 6.1010³ =
  7. 7.109³ =
  8. 8.102³ =
  9. 9.109³ =
  10. 10.92³ =
  11. 11.98³ =
  12. 12.986³ =
  13. 13.992³ =
  14. 14.97³ =
  15. 15.983³ =
  16. 16.108³ =
  17. 17.1010³ =
  18. 18.101³ =
  19. 19.103³ =
  20. 20.996³ =
  21. 21.102³ =
  22. 22.1015³ =
  23. 23.995³ =
  24. 24.1015³ =
  25. 25.94³ =
  26. 26.105³ =
  27. 27.1004³ =
  28. 28.991³ =
  29. 29.980³ =
  30. 30.109³ =
  31. 31.991³ =
  32. 32.1012³ =
  33. 33.1010³ =
  34. 34.101³ =
  35. 35.102³ =
  36. 36.1006³ =
  37. 37.109³ =
  38. 38.93³ =
  39. 39.1012³ =
  40. 40.1009³ =

Answer key

  1. 778688
  2. 970299000
  3. 912673
  4. 1039509197
  5. 973242271
  6. 1030301000
  7. 1295029
  8. 1061208
  9. 1295029
  10. 778688
  11. 941192
  12. 958585256
  13. 976191488
  14. 912673
  15. 949862087
  16. 1259712
  17. 1030301000
  18. 1030301
  19. 1092727
  20. 988047936
  21. 1061208
  22. 1045678375
  23. 985074875
  24. 1045678375
  25. 830584
  26. 1157625
  27. 1012048064
  28. 973242271
  29. 941192000
  30. 1295029
  31. 973242271
  32. 1036433728
  33. 1030301000
  34. 1030301
  35. 1061208
  36. 1018108216
  37. 1295029
  38. 804357
  39. 1036433728
  40. 1027243729

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