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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 519 · 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. 1.96³ =
  2. 2.105³ =
  3. 3.1012³ =
  4. 4.91³ =
  5. 5.990³ =
  6. 6.1004³ =
  7. 7.108³ =
  8. 8.998³ =
  9. 9.102³ =
  10. 10.1010³ =
  11. 11.101³ =
  12. 12.1017³ =
  13. 13.105³ =
  14. 14.985³ =
  15. 15.980³ =
  16. 16.993³ =
  17. 17.992³ =
  18. 18.102³ =
  19. 19.990³ =
  20. 20.95³ =
  21. 21.994³ =
  22. 22.1008³ =
  23. 23.1019³ =
  24. 24.986³ =
  25. 25.108³ =
  26. 26.1018³ =
  27. 27.98³ =
  28. 28.105³ =
  29. 29.104³ =
  30. 30.1005³ =
  31. 31.91³ =
  32. 32.102³ =
  33. 33.996³ =
  34. 34.102³ =
  35. 35.91³ =
  36. 36.993³ =
  37. 37.97³ =
  38. 38.97³ =
  39. 39.98³ =
  40. 40.996³ =

Answer key

  1. 884736
  2. 1157625
  3. 1036433728
  4. 753571
  5. 970299000
  6. 1012048064
  7. 1259712
  8. 994011992
  9. 1061208
  10. 1030301000
  11. 1030301
  12. 1051871913
  13. 1157625
  14. 955671625
  15. 941192000
  16. 979146657
  17. 976191488
  18. 1061208
  19. 970299000
  20. 857375
  21. 982107784
  22. 1024192512
  23. 1058089859
  24. 958585256
  25. 1259712
  26. 1054977832
  27. 941192
  28. 1157625
  29. 1124864
  30. 1015075125
  31. 753571
  32. 1061208
  33. 988047936
  34. 1061208
  35. 753571
  36. 979146657
  37. 912673
  38. 912673
  39. 941192
  40. 988047936

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