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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 149 · 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. 1.1007³ =
  2. 2.1012³ =
  3. 3.998³ =
  4. 4.102³ =
  5. 5.103³ =
  6. 6.984³ =
  7. 7.107³ =
  8. 8.98³ =
  9. 9.99³ =
  10. 10.1013³ =
  11. 11.102³ =
  12. 12.106³ =
  13. 13.94³ =
  14. 14.94³ =
  15. 15.103³ =
  16. 16.96³ =
  17. 17.104³ =
  18. 18.1020³ =
  19. 19.109³ =
  20. 20.99³ =
  21. 21.997³ =
  22. 22.103³ =
  23. 23.105³ =
  24. 24.99³ =
  25. 25.994³ =
  26. 26.93³ =
  27. 27.1003³ =
  28. 28.1008³ =
  29. 29.988³ =
  30. 30.94³ =
  31. 31.982³ =
  32. 32.990³ =
  33. 33.996³ =
  34. 34.106³ =
  35. 35.107³ =
  36. 36.995³ =
  37. 37.97³ =
  38. 38.99³ =
  39. 39.1003³ =
  40. 40.94³ =

Answer key

  1. 1021147343
  2. 1036433728
  3. 994011992
  4. 1061208
  5. 1092727
  6. 952763904
  7. 1225043
  8. 941192
  9. 970299
  10. 1039509197
  11. 1061208
  12. 1191016
  13. 830584
  14. 830584
  15. 1092727
  16. 884736
  17. 1124864
  18. 1061208000
  19. 1295029
  20. 970299
  21. 991026973
  22. 1092727
  23. 1157625
  24. 970299
  25. 982107784
  26. 804357
  27. 1009027027
  28. 1024192512
  29. 964430272
  30. 830584
  31. 946966168
  32. 970299000
  33. 988047936
  34. 1191016
  35. 1225043
  36. 985074875
  37. 912673
  38. 970299
  39. 1009027027
  40. 830584

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