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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 250 · 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. 1.982³ =
  2. 2.105³ =
  3. 3.1003³ =
  4. 4.95³ =
  5. 5.95³ =
  6. 6.95³ =
  7. 7.987³ =
  8. 8.987³ =
  9. 9.95³ =
  10. 10.91³ =
  11. 11.93³ =
  12. 12.1016³ =
  13. 13.1002³ =
  14. 14.99³ =
  15. 15.108³ =
  16. 16.1006³ =
  17. 17.93³ =
  18. 18.109³ =
  19. 19.91³ =
  20. 20.98³ =
  21. 21.983³ =
  22. 22.1017³ =
  23. 23.1011³ =
  24. 24.986³ =
  25. 25.1015³ =
  26. 26.1004³ =
  27. 27.1013³ =
  28. 28.993³ =
  29. 29.97³ =
  30. 30.106³ =
  31. 31.109³ =
  32. 32.1011³ =
  33. 33.109³ =
  34. 34.987³ =
  35. 35.105³ =
  36. 36.95³ =
  37. 37.91³ =
  38. 38.98³ =
  39. 39.98³ =
  40. 40.108³ =

Answer key

  1. 946966168
  2. 1157625
  3. 1009027027
  4. 857375
  5. 857375
  6. 857375
  7. 961504803
  8. 961504803
  9. 857375
  10. 753571
  11. 804357
  12. 1048772096
  13. 1006012008
  14. 970299
  15. 1259712
  16. 1018108216
  17. 804357
  18. 1295029
  19. 753571
  20. 941192
  21. 949862087
  22. 1051871913
  23. 1033364331
  24. 958585256
  25. 1045678375
  26. 1012048064
  27. 1039509197
  28. 979146657
  29. 912673
  30. 1191016
  31. 1295029
  32. 1033364331
  33. 1295029
  34. 961504803
  35. 1157625
  36. 857375
  37. 753571
  38. 941192
  39. 941192
  40. 1259712

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