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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 995 · 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. 2.103³ =
  3. 3.105³ =
  4. 4.93³ =
  5. 5.92³ =
  6. 6.93³ =
  7. 7.104³ =
  8. 8.91³ =
  9. 9.992³ =
  10. 10.997³ =
  11. 11.97³ =
  12. 12.990³ =
  13. 13.993³ =
  14. 14.1018³ =
  15. 15.98³ =
  16. 16.91³ =
  17. 17.995³ =
  18. 18.995³ =
  19. 19.981³ =
  20. 20.91³ =
  21. 21.93³ =
  22. 22.96³ =
  23. 23.103³ =
  24. 24.105³ =
  25. 25.1003³ =
  26. 26.999³ =
  27. 27.989³ =
  28. 28.107³ =
  29. 29.104³ =
  30. 30.993³ =
  31. 31.102³ =
  32. 32.1003³ =
  33. 33.97³ =
  34. 34.1015³ =
  35. 35.982³ =
  36. 36.1013³ =
  37. 37.1003³ =
  38. 38.96³ =
  39. 39.105³ =
  40. 40.91³ =

Answer key

  1. 778688
  2. 1092727
  3. 1157625
  4. 804357
  5. 778688
  6. 804357
  7. 1124864
  8. 753571
  9. 976191488
  10. 991026973
  11. 912673
  12. 970299000
  13. 979146657
  14. 1054977832
  15. 941192
  16. 753571
  17. 985074875
  18. 985074875
  19. 944076141
  20. 753571
  21. 804357
  22. 884736
  23. 1092727
  24. 1157625
  25. 1009027027
  26. 997002999
  27. 967361669
  28. 1225043
  29. 1124864
  30. 979146657
  31. 1061208
  32. 1009027027
  33. 912673
  34. 1045678375
  35. 946966168
  36. 1039509197
  37. 1009027027
  38. 884736
  39. 1157625
  40. 753571

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