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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 491 · 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. 1.94³ =
  2. 2.980³ =
  3. 3.1014³ =
  4. 4.107³ =
  5. 5.102³ =
  6. 6.986³ =
  7. 7.990³ =
  8. 8.1010³ =
  9. 9.995³ =
  10. 10.999³ =
  11. 11.91³ =
  12. 12.1003³ =
  13. 13.999³ =
  14. 14.1014³ =
  15. 15.97³ =
  16. 16.95³ =
  17. 17.105³ =
  18. 18.996³ =
  19. 19.106³ =
  20. 20.1010³ =
  21. 21.92³ =
  22. 22.103³ =
  23. 23.103³ =
  24. 24.982³ =
  25. 25.104³ =
  26. 26.1010³ =
  27. 27.92³ =
  28. 28.983³ =
  29. 29.991³ =
  30. 30.108³ =
  31. 31.996³ =
  32. 32.108³ =
  33. 33.991³ =
  34. 34.991³ =
  35. 35.94³ =
  36. 36.92³ =
  37. 37.988³ =
  38. 38.94³ =
  39. 39.108³ =
  40. 40.104³ =

Answer key

  1. 830584
  2. 941192000
  3. 1042590744
  4. 1225043
  5. 1061208
  6. 958585256
  7. 970299000
  8. 1030301000
  9. 985074875
  10. 997002999
  11. 753571
  12. 1009027027
  13. 997002999
  14. 1042590744
  15. 912673
  16. 857375
  17. 1157625
  18. 988047936
  19. 1191016
  20. 1030301000
  21. 778688
  22. 1092727
  23. 1092727
  24. 946966168
  25. 1124864
  26. 1030301000
  27. 778688
  28. 949862087
  29. 973242271
  30. 1259712
  31. 988047936
  32. 1259712
  33. 973242271
  34. 973242271
  35. 830584
  36. 778688
  37. 964430272
  38. 830584
  39. 1259712
  40. 1124864

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