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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 387 · 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. 1.97³ =
  2. 2.102³ =
  3. 3.96³ =
  4. 4.985³ =
  5. 5.998³ =
  6. 6.101³ =
  7. 7.990³ =
  8. 8.99³ =
  9. 9.991³ =
  10. 10.106³ =
  11. 11.92³ =
  12. 12.94³ =
  13. 13.995³ =
  14. 14.1016³ =
  15. 15.1005³ =
  16. 16.107³ =
  17. 17.1005³ =
  18. 18.105³ =
  19. 19.98³ =
  20. 20.105³ =
  21. 21.104³ =
  22. 22.107³ =
  23. 23.99³ =
  24. 24.996³ =
  25. 25.986³ =
  26. 26.1007³ =
  27. 27.998³ =
  28. 28.987³ =
  29. 29.103³ =
  30. 30.1002³ =
  31. 31.94³ =
  32. 32.93³ =
  33. 33.101³ =
  34. 34.992³ =
  35. 35.93³ =
  36. 36.1007³ =
  37. 37.998³ =
  38. 38.1008³ =
  39. 39.104³ =
  40. 40.995³ =

Answer key

  1. 912673
  2. 1061208
  3. 884736
  4. 955671625
  5. 994011992
  6. 1030301
  7. 970299000
  8. 970299
  9. 973242271
  10. 1191016
  11. 778688
  12. 830584
  13. 985074875
  14. 1048772096
  15. 1015075125
  16. 1225043
  17. 1015075125
  18. 1157625
  19. 941192
  20. 1157625
  21. 1124864
  22. 1225043
  23. 970299
  24. 988047936
  25. 958585256
  26. 1021147343
  27. 994011992
  28. 961504803
  29. 1092727
  30. 1006012008
  31. 830584
  32. 804357
  33. 1030301
  34. 976191488
  35. 804357
  36. 1021147343
  37. 994011992
  38. 1024192512
  39. 1124864
  40. 985074875

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