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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 24 · 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. 1.93³ =
  2. 2.91³ =
  3. 3.108³ =
  4. 4.1012³ =
  5. 5.983³ =
  6. 6.997³ =
  7. 7.995³ =
  8. 8.983³ =
  9. 9.1004³ =
  10. 10.1007³ =
  11. 11.109³ =
  12. 12.92³ =
  13. 13.103³ =
  14. 14.92³ =
  15. 15.101³ =
  16. 16.980³ =
  17. 17.108³ =
  18. 18.105³ =
  19. 19.95³ =
  20. 20.1002³ =
  21. 21.95³ =
  22. 22.1013³ =
  23. 23.990³ =
  24. 24.986³ =
  25. 25.99³ =
  26. 26.1017³ =
  27. 27.107³ =
  28. 28.996³ =
  29. 29.982³ =
  30. 30.91³ =
  31. 31.101³ =
  32. 32.97³ =
  33. 33.1001³ =
  34. 34.983³ =
  35. 35.108³ =
  36. 36.101³ =
  37. 37.99³ =
  38. 38.97³ =
  39. 39.101³ =
  40. 40.980³ =

Answer key

  1. 804357
  2. 753571
  3. 1259712
  4. 1036433728
  5. 949862087
  6. 991026973
  7. 985074875
  8. 949862087
  9. 1012048064
  10. 1021147343
  11. 1295029
  12. 778688
  13. 1092727
  14. 778688
  15. 1030301
  16. 941192000
  17. 1259712
  18. 1157625
  19. 857375
  20. 1006012008
  21. 857375
  22. 1039509197
  23. 970299000
  24. 958585256
  25. 970299
  26. 1051871913
  27. 1225043
  28. 988047936
  29. 946966168
  30. 753571
  31. 1030301
  32. 912673
  33. 1003003001
  34. 949862087
  35. 1259712
  36. 1030301
  37. 970299
  38. 912673
  39. 1030301
  40. 941192000

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