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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 764 · 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. 1.988³ =
  2. 2.999³ =
  3. 3.104³ =
  4. 4.1006³ =
  5. 5.994³ =
  6. 6.1013³ =
  7. 7.98³ =
  8. 8.104³ =
  9. 9.92³ =
  10. 10.1002³ =
  11. 11.104³ =
  12. 12.1011³ =
  13. 13.93³ =
  14. 14.98³ =
  15. 15.108³ =
  16. 16.108³ =
  17. 17.106³ =
  18. 18.92³ =
  19. 19.97³ =
  20. 20.1018³ =
  21. 21.106³ =
  22. 22.94³ =
  23. 23.106³ =
  24. 24.91³ =
  25. 25.99³ =
  26. 26.97³ =
  27. 27.92³ =
  28. 28.95³ =
  29. 29.107³ =
  30. 30.998³ =
  31. 31.1004³ =
  32. 32.998³ =
  33. 33.94³ =
  34. 34.1003³ =
  35. 35.992³ =
  36. 36.980³ =
  37. 37.92³ =
  38. 38.1017³ =
  39. 39.998³ =
  40. 40.108³ =

Answer key

  1. 964430272
  2. 997002999
  3. 1124864
  4. 1018108216
  5. 982107784
  6. 1039509197
  7. 941192
  8. 1124864
  9. 778688
  10. 1006012008
  11. 1124864
  12. 1033364331
  13. 804357
  14. 941192
  15. 1259712
  16. 1259712
  17. 1191016
  18. 778688
  19. 912673
  20. 1054977832
  21. 1191016
  22. 830584
  23. 1191016
  24. 753571
  25. 970299
  26. 912673
  27. 778688
  28. 857375
  29. 1225043
  30. 994011992
  31. 1012048064
  32. 994011992
  33. 830584
  34. 1009027027
  35. 976191488
  36. 941192000
  37. 778688
  38. 1051871913
  39. 994011992
  40. 1259712

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