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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 13 · 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. 2.982³ =
  3. 3.1005³ =
  4. 4.991³ =
  5. 5.92³ =
  6. 6.1010³ =
  7. 7.986³ =
  8. 8.91³ =
  9. 9.106³ =
  10. 10.995³ =
  11. 11.1012³ =
  12. 12.91³ =
  13. 13.998³ =
  14. 14.92³ =
  15. 15.1001³ =
  16. 16.98³ =
  17. 17.982³ =
  18. 18.93³ =
  19. 19.103³ =
  20. 20.993³ =
  21. 21.95³ =
  22. 22.997³ =
  23. 23.105³ =
  24. 24.108³ =
  25. 25.107³ =
  26. 26.1008³ =
  27. 27.106³ =
  28. 28.105³ =
  29. 29.997³ =
  30. 30.1010³ =
  31. 31.1015³ =
  32. 32.109³ =
  33. 33.995³ =
  34. 34.105³ =
  35. 35.1012³ =
  36. 36.988³ =
  37. 37.1002³ =
  38. 38.1013³ =
  39. 39.91³ =
  40. 40.94³ =

Answer key

  1. 1225043
  2. 946966168
  3. 1015075125
  4. 973242271
  5. 778688
  6. 1030301000
  7. 958585256
  8. 753571
  9. 1191016
  10. 985074875
  11. 1036433728
  12. 753571
  13. 994011992
  14. 778688
  15. 1003003001
  16. 941192
  17. 946966168
  18. 804357
  19. 1092727
  20. 979146657
  21. 857375
  22. 991026973
  23. 1157625
  24. 1259712
  25. 1225043
  26. 1024192512
  27. 1191016
  28. 1157625
  29. 991026973
  30. 1030301000
  31. 1045678375
  32. 1295029
  33. 985074875
  34. 1157625
  35. 1036433728
  36. 964430272
  37. 1006012008
  38. 1039509197
  39. 753571
  40. 830584

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