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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 447 · 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. 1.1017³ =
  2. 2.99³ =
  3. 3.985³ =
  4. 4.103³ =
  5. 5.982³ =
  6. 6.97³ =
  7. 7.91³ =
  8. 8.998³ =
  9. 9.92³ =
  10. 10.997³ =
  11. 11.92³ =
  12. 12.987³ =
  13. 13.109³ =
  14. 14.1005³ =
  15. 15.108³ =
  16. 16.103³ =
  17. 17.103³ =
  18. 18.1016³ =
  19. 19.984³ =
  20. 20.992³ =
  21. 21.97³ =
  22. 22.1009³ =
  23. 23.97³ =
  24. 24.987³ =
  25. 25.992³ =
  26. 26.992³ =
  27. 27.1004³ =
  28. 28.97³ =
  29. 29.988³ =
  30. 30.998³ =
  31. 31.983³ =
  32. 32.1003³ =
  33. 33.102³ =
  34. 34.1002³ =
  35. 35.95³ =
  36. 36.109³ =
  37. 37.95³ =
  38. 38.101³ =
  39. 39.985³ =
  40. 40.95³ =

Answer key

  1. 1051871913
  2. 970299
  3. 955671625
  4. 1092727
  5. 946966168
  6. 912673
  7. 753571
  8. 994011992
  9. 778688
  10. 991026973
  11. 778688
  12. 961504803
  13. 1295029
  14. 1015075125
  15. 1259712
  16. 1092727
  17. 1092727
  18. 1048772096
  19. 952763904
  20. 976191488
  21. 912673
  22. 1027243729
  23. 912673
  24. 961504803
  25. 976191488
  26. 976191488
  27. 1012048064
  28. 912673
  29. 964430272
  30. 994011992
  31. 949862087
  32. 1009027027
  33. 1061208
  34. 1006012008
  35. 857375
  36. 1295029
  37. 857375
  38. 1030301
  39. 955671625
  40. 857375

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