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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 541 · 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. 1.1004³ =
  2. 2.94³ =
  3. 3.983³ =
  4. 4.96³ =
  5. 5.97³ =
  6. 6.102³ =
  7. 7.991³ =
  8. 8.99³ =
  9. 9.1018³ =
  10. 10.1005³ =
  11. 11.99³ =
  12. 12.95³ =
  13. 13.1003³ =
  14. 14.1002³ =
  15. 15.95³ =
  16. 16.994³ =
  17. 17.986³ =
  18. 18.982³ =
  19. 19.1008³ =
  20. 20.104³ =
  21. 21.991³ =
  22. 22.97³ =
  23. 23.1013³ =
  24. 24.102³ =
  25. 25.1019³ =
  26. 26.99³ =
  27. 27.95³ =
  28. 28.998³ =
  29. 29.91³ =
  30. 30.105³ =
  31. 31.997³ =
  32. 32.101³ =
  33. 33.99³ =
  34. 34.1007³ =
  35. 35.101³ =
  36. 36.981³ =
  37. 37.93³ =
  38. 38.102³ =
  39. 39.982³ =
  40. 40.105³ =

Answer key

  1. 1012048064
  2. 830584
  3. 949862087
  4. 884736
  5. 912673
  6. 1061208
  7. 973242271
  8. 970299
  9. 1054977832
  10. 1015075125
  11. 970299
  12. 857375
  13. 1009027027
  14. 1006012008
  15. 857375
  16. 982107784
  17. 958585256
  18. 946966168
  19. 1024192512
  20. 1124864
  21. 973242271
  22. 912673
  23. 1039509197
  24. 1061208
  25. 1058089859
  26. 970299
  27. 857375
  28. 994011992
  29. 753571
  30. 1157625
  31. 991026973
  32. 1030301
  33. 970299
  34. 1021147343
  35. 1030301
  36. 944076141
  37. 804357
  38. 1061208
  39. 946966168
  40. 1157625

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