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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 569 · 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. 1.92³ =
  2. 2.984³ =
  3. 3.1004³ =
  4. 4.99³ =
  5. 5.997³ =
  6. 6.999³ =
  7. 7.988³ =
  8. 8.105³ =
  9. 9.93³ =
  10. 10.108³ =
  11. 11.104³ =
  12. 12.91³ =
  13. 13.984³ =
  14. 14.103³ =
  15. 15.98³ =
  16. 16.982³ =
  17. 17.101³ =
  18. 18.996³ =
  19. 19.99³ =
  20. 20.1009³ =
  21. 21.107³ =
  22. 22.990³ =
  23. 23.1014³ =
  24. 24.102³ =
  25. 25.94³ =
  26. 26.99³ =
  27. 27.105³ =
  28. 28.985³ =
  29. 29.93³ =
  30. 30.103³ =
  31. 31.93³ =
  32. 32.91³ =
  33. 33.999³ =
  34. 34.97³ =
  35. 35.94³ =
  36. 36.104³ =
  37. 37.999³ =
  38. 38.993³ =
  39. 39.101³ =
  40. 40.1015³ =

Answer key

  1. 778688
  2. 952763904
  3. 1012048064
  4. 970299
  5. 991026973
  6. 997002999
  7. 964430272
  8. 1157625
  9. 804357
  10. 1259712
  11. 1124864
  12. 753571
  13. 952763904
  14. 1092727
  15. 941192
  16. 946966168
  17. 1030301
  18. 988047936
  19. 970299
  20. 1027243729
  21. 1225043
  22. 970299000
  23. 1042590744
  24. 1061208
  25. 830584
  26. 970299
  27. 1157625
  28. 955671625
  29. 804357
  30. 1092727
  31. 804357
  32. 753571
  33. 997002999
  34. 912673
  35. 830584
  36. 1124864
  37. 997002999
  38. 979146657
  39. 1030301
  40. 1045678375

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