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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 234 · 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. 1.985³ =
  2. 2.91³ =
  3. 3.104³ =
  4. 4.105³ =
  5. 5.98³ =
  6. 6.103³ =
  7. 7.992³ =
  8. 8.1017³ =
  9. 9.992³ =
  10. 10.988³ =
  11. 11.1013³ =
  12. 12.103³ =
  13. 13.993³ =
  14. 14.991³ =
  15. 15.1001³ =
  16. 16.995³ =
  17. 17.987³ =
  18. 18.103³ =
  19. 19.99³ =
  20. 20.997³ =
  21. 21.980³ =
  22. 22.1016³ =
  23. 23.990³ =
  24. 24.1018³ =
  25. 25.992³ =
  26. 26.108³ =
  27. 27.1016³ =
  28. 28.1018³ =
  29. 29.1005³ =
  30. 30.105³ =
  31. 31.98³ =
  32. 32.103³ =
  33. 33.1012³ =
  34. 34.1017³ =
  35. 35.92³ =
  36. 36.989³ =
  37. 37.97³ =
  38. 38.95³ =
  39. 39.993³ =
  40. 40.990³ =

Answer key

  1. 955671625
  2. 753571
  3. 1124864
  4. 1157625
  5. 941192
  6. 1092727
  7. 976191488
  8. 1051871913
  9. 976191488
  10. 964430272
  11. 1039509197
  12. 1092727
  13. 979146657
  14. 973242271
  15. 1003003001
  16. 985074875
  17. 961504803
  18. 1092727
  19. 970299
  20. 991026973
  21. 941192000
  22. 1048772096
  23. 970299000
  24. 1054977832
  25. 976191488
  26. 1259712
  27. 1048772096
  28. 1054977832
  29. 1015075125
  30. 1157625
  31. 941192
  32. 1092727
  33. 1036433728
  34. 1051871913
  35. 778688
  36. 967361669
  37. 912673
  38. 857375
  39. 979146657
  40. 970299000

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