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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 918 · 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. 1.996³ =
  2. 2.105³ =
  3. 3.92³ =
  4. 4.97³ =
  5. 5.1009³ =
  6. 6.1016³ =
  7. 7.992³ =
  8. 8.96³ =
  9. 9.91³ =
  10. 10.101³ =
  11. 11.989³ =
  12. 12.105³ =
  13. 13.93³ =
  14. 14.1010³ =
  15. 15.109³ =
  16. 16.985³ =
  17. 17.96³ =
  18. 18.97³ =
  19. 19.103³ =
  20. 20.95³ =
  21. 21.987³ =
  22. 22.97³ =
  23. 23.98³ =
  24. 24.104³ =
  25. 25.1017³ =
  26. 26.98³ =
  27. 27.101³ =
  28. 28.1011³ =
  29. 29.98³ =
  30. 30.101³ =
  31. 31.1012³ =
  32. 32.990³ =
  33. 33.96³ =
  34. 34.91³ =
  35. 35.1009³ =
  36. 36.105³ =
  37. 37.983³ =
  38. 38.998³ =
  39. 39.109³ =
  40. 40.93³ =

Answer key

  1. 988047936
  2. 1157625
  3. 778688
  4. 912673
  5. 1027243729
  6. 1048772096
  7. 976191488
  8. 884736
  9. 753571
  10. 1030301
  11. 967361669
  12. 1157625
  13. 804357
  14. 1030301000
  15. 1295029
  16. 955671625
  17. 884736
  18. 912673
  19. 1092727
  20. 857375
  21. 961504803
  22. 912673
  23. 941192
  24. 1124864
  25. 1051871913
  26. 941192
  27. 1030301
  28. 1033364331
  29. 941192
  30. 1030301
  31. 1036433728
  32. 970299000
  33. 884736
  34. 753571
  35. 1027243729
  36. 1157625
  37. 949862087
  38. 994011992
  39. 1295029
  40. 804357

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