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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 617 · 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. 2.109³ =
  3. 3.987³ =
  4. 4.987³ =
  5. 5.92³ =
  6. 6.993³ =
  7. 7.97³ =
  8. 8.109³ =
  9. 9.101³ =
  10. 10.97³ =
  11. 11.103³ =
  12. 12.101³ =
  13. 13.102³ =
  14. 14.95³ =
  15. 15.1009³ =
  16. 16.1003³ =
  17. 17.1019³ =
  18. 18.105³ =
  19. 19.997³ =
  20. 20.984³ =
  21. 21.1018³ =
  22. 22.99³ =
  23. 23.985³ =
  24. 24.107³ =
  25. 25.99³ =
  26. 26.1012³ =
  27. 27.102³ =
  28. 28.980³ =
  29. 29.94³ =
  30. 30.1017³ =
  31. 31.98³ =
  32. 32.99³ =
  33. 33.1009³ =
  34. 34.1004³ =
  35. 35.93³ =
  36. 36.109³ =
  37. 37.108³ =
  38. 38.93³ =
  39. 39.994³ =
  40. 40.101³ =

Answer key

  1. 778688
  2. 1295029
  3. 961504803
  4. 961504803
  5. 778688
  6. 979146657
  7. 912673
  8. 1295029
  9. 1030301
  10. 912673
  11. 1092727
  12. 1030301
  13. 1061208
  14. 857375
  15. 1027243729
  16. 1009027027
  17. 1058089859
  18. 1157625
  19. 991026973
  20. 952763904
  21. 1054977832
  22. 970299
  23. 955671625
  24. 1225043
  25. 970299
  26. 1036433728
  27. 1061208
  28. 941192000
  29. 830584
  30. 1051871913
  31. 941192
  32. 970299
  33. 1027243729
  34. 1012048064
  35. 804357
  36. 1295029
  37. 1259712
  38. 804357
  39. 982107784
  40. 1030301

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