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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 553 · 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. 1.91³ =
  2. 2.984³ =
  3. 3.95³ =
  4. 4.995³ =
  5. 5.93³ =
  6. 6.103³ =
  7. 7.1014³ =
  8. 8.987³ =
  9. 9.93³ =
  10. 10.95³ =
  11. 11.1013³ =
  12. 12.101³ =
  13. 13.95³ =
  14. 14.1006³ =
  15. 15.94³ =
  16. 16.985³ =
  17. 17.93³ =
  18. 18.991³ =
  19. 19.103³ =
  20. 20.102³ =
  21. 21.1007³ =
  22. 22.1001³ =
  23. 23.998³ =
  24. 24.96³ =
  25. 25.1011³ =
  26. 26.105³ =
  27. 27.92³ =
  28. 28.91³ =
  29. 29.105³ =
  30. 30.995³ =
  31. 31.991³ =
  32. 32.1004³ =
  33. 33.998³ =
  34. 34.982³ =
  35. 35.105³ =
  36. 36.1009³ =
  37. 37.993³ =
  38. 38.94³ =
  39. 39.97³ =
  40. 40.988³ =

Answer key

  1. 753571
  2. 952763904
  3. 857375
  4. 985074875
  5. 804357
  6. 1092727
  7. 1042590744
  8. 961504803
  9. 804357
  10. 857375
  11. 1039509197
  12. 1030301
  13. 857375
  14. 1018108216
  15. 830584
  16. 955671625
  17. 804357
  18. 973242271
  19. 1092727
  20. 1061208
  21. 1021147343
  22. 1003003001
  23. 994011992
  24. 884736
  25. 1033364331
  26. 1157625
  27. 778688
  28. 753571
  29. 1157625
  30. 985074875
  31. 973242271
  32. 1012048064
  33. 994011992
  34. 946966168
  35. 1157625
  36. 1027243729
  37. 979146657
  38. 830584
  39. 912673
  40. 964430272

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