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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 717 · 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. 1.997³ =
  2. 2.1014³ =
  3. 3.1006³ =
  4. 4.980³ =
  5. 5.108³ =
  6. 6.95³ =
  7. 7.104³ =
  8. 8.107³ =
  9. 9.985³ =
  10. 10.97³ =
  11. 11.99³ =
  12. 12.98³ =
  13. 13.1002³ =
  14. 14.987³ =
  15. 15.1013³ =
  16. 16.105³ =
  17. 17.106³ =
  18. 18.91³ =
  19. 19.1015³ =
  20. 20.107³ =
  21. 21.108³ =
  22. 22.997³ =
  23. 23.991³ =
  24. 24.102³ =
  25. 25.99³ =
  26. 26.103³ =
  27. 27.1013³ =
  28. 28.997³ =
  29. 29.109³ =
  30. 30.1008³ =
  31. 31.94³ =
  32. 32.102³ =
  33. 33.104³ =
  34. 34.99³ =
  35. 35.94³ =
  36. 36.109³ =
  37. 37.1020³ =
  38. 38.983³ =
  39. 39.107³ =
  40. 40.990³ =

Answer key

  1. 991026973
  2. 1042590744
  3. 1018108216
  4. 941192000
  5. 1259712
  6. 857375
  7. 1124864
  8. 1225043
  9. 955671625
  10. 912673
  11. 970299
  12. 941192
  13. 1006012008
  14. 961504803
  15. 1039509197
  16. 1157625
  17. 1191016
  18. 753571
  19. 1045678375
  20. 1225043
  21. 1259712
  22. 991026973
  23. 973242271
  24. 1061208
  25. 970299
  26. 1092727
  27. 1039509197
  28. 991026973
  29. 1295029
  30. 1024192512
  31. 830584
  32. 1061208
  33. 1124864
  34. 970299
  35. 830584
  36. 1295029
  37. 1061208000
  38. 949862087
  39. 1225043
  40. 970299000

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