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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 78 · 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. 1.987³ =
  2. 2.95³ =
  3. 3.985³ =
  4. 4.107³ =
  5. 5.995³ =
  6. 6.97³ =
  7. 7.99³ =
  8. 8.108³ =
  9. 9.99³ =
  10. 10.91³ =
  11. 11.102³ =
  12. 12.108³ =
  13. 13.91³ =
  14. 14.109³ =
  15. 15.99³ =
  16. 16.102³ =
  17. 17.99³ =
  18. 18.96³ =
  19. 19.95³ =
  20. 20.109³ =
  21. 21.1018³ =
  22. 22.92³ =
  23. 23.102³ =
  24. 24.91³ =
  25. 25.1012³ =
  26. 26.1013³ =
  27. 27.983³ =
  28. 28.1009³ =
  29. 29.106³ =
  30. 30.93³ =
  31. 31.104³ =
  32. 32.998³ =
  33. 33.1001³ =
  34. 34.1015³ =
  35. 35.107³ =
  36. 36.1004³ =
  37. 37.93³ =
  38. 38.985³ =
  39. 39.93³ =
  40. 40.985³ =

Answer key

  1. 961504803
  2. 857375
  3. 955671625
  4. 1225043
  5. 985074875
  6. 912673
  7. 970299
  8. 1259712
  9. 970299
  10. 753571
  11. 1061208
  12. 1259712
  13. 753571
  14. 1295029
  15. 970299
  16. 1061208
  17. 970299
  18. 884736
  19. 857375
  20. 1295029
  21. 1054977832
  22. 778688
  23. 1061208
  24. 753571
  25. 1036433728
  26. 1039509197
  27. 949862087
  28. 1027243729
  29. 1191016
  30. 804357
  31. 1124864
  32. 994011992
  33. 1003003001
  34. 1045678375
  35. 1225043
  36. 1012048064
  37. 804357
  38. 955671625
  39. 804357
  40. 955671625

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