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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 703 · 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. 1.107³ =
  2. 2.108³ =
  3. 3.989³ =
  4. 4.106³ =
  5. 5.986³ =
  6. 6.105³ =
  7. 7.988³ =
  8. 8.987³ =
  9. 9.1006³ =
  10. 10.981³ =
  11. 11.1001³ =
  12. 12.99³ =
  13. 13.105³ =
  14. 14.1002³ =
  15. 15.999³ =
  16. 16.1004³ =
  17. 17.108³ =
  18. 18.97³ =
  19. 19.97³ =
  20. 20.1019³ =
  21. 21.99³ =
  22. 22.91³ =
  23. 23.91³ =
  24. 24.1013³ =
  25. 25.999³ =
  26. 26.106³ =
  27. 27.981³ =
  28. 28.1006³ =
  29. 29.1009³ =
  30. 30.103³ =
  31. 31.980³ =
  32. 32.103³ =
  33. 33.105³ =
  34. 34.94³ =
  35. 35.105³ =
  36. 36.993³ =
  37. 37.982³ =
  38. 38.993³ =
  39. 39.91³ =
  40. 40.993³ =

Answer key

  1. 1225043
  2. 1259712
  3. 967361669
  4. 1191016
  5. 958585256
  6. 1157625
  7. 964430272
  8. 961504803
  9. 1018108216
  10. 944076141
  11. 1003003001
  12. 970299
  13. 1157625
  14. 1006012008
  15. 997002999
  16. 1012048064
  17. 1259712
  18. 912673
  19. 912673
  20. 1058089859
  21. 970299
  22. 753571
  23. 753571
  24. 1039509197
  25. 997002999
  26. 1191016
  27. 944076141
  28. 1018108216
  29. 1027243729
  30. 1092727
  31. 941192000
  32. 1092727
  33. 1157625
  34. 830584
  35. 1157625
  36. 979146657
  37. 946966168
  38. 979146657
  39. 753571
  40. 979146657

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