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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 241 · 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. 1.1005³ =
  2. 2.1002³ =
  3. 3.109³ =
  4. 4.93³ =
  5. 5.986³ =
  6. 6.93³ =
  7. 7.1017³ =
  8. 8.93³ =
  9. 9.103³ =
  10. 10.982³ =
  11. 11.995³ =
  12. 12.1003³ =
  13. 13.107³ =
  14. 14.95³ =
  15. 15.105³ =
  16. 16.103³ =
  17. 17.991³ =
  18. 18.106³ =
  19. 19.102³ =
  20. 20.106³ =
  21. 21.94³ =
  22. 22.1003³ =
  23. 23.985³ =
  24. 24.99³ =
  25. 25.102³ =
  26. 26.105³ =
  27. 27.95³ =
  28. 28.103³ =
  29. 29.1009³ =
  30. 30.1016³ =
  31. 31.98³ =
  32. 32.93³ =
  33. 33.984³ =
  34. 34.985³ =
  35. 35.1003³ =
  36. 36.1015³ =
  37. 37.91³ =
  38. 38.986³ =
  39. 39.94³ =
  40. 40.92³ =

Answer key

  1. 1015075125
  2. 1006012008
  3. 1295029
  4. 804357
  5. 958585256
  6. 804357
  7. 1051871913
  8. 804357
  9. 1092727
  10. 946966168
  11. 985074875
  12. 1009027027
  13. 1225043
  14. 857375
  15. 1157625
  16. 1092727
  17. 973242271
  18. 1191016
  19. 1061208
  20. 1191016
  21. 830584
  22. 1009027027
  23. 955671625
  24. 970299
  25. 1061208
  26. 1157625
  27. 857375
  28. 1092727
  29. 1027243729
  30. 1048772096
  31. 941192
  32. 804357
  33. 952763904
  34. 955671625
  35. 1009027027
  36. 1045678375
  37. 753571
  38. 958585256
  39. 830584
  40. 778688

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