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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 238 · 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. 1.95³ =
  2. 2.1016³ =
  3. 3.988³ =
  4. 4.986³ =
  5. 5.1010³ =
  6. 6.109³ =
  7. 7.983³ =
  8. 8.999³ =
  9. 9.983³ =
  10. 10.106³ =
  11. 11.108³ =
  12. 12.1020³ =
  13. 13.1015³ =
  14. 14.107³ =
  15. 15.91³ =
  16. 16.999³ =
  17. 17.94³ =
  18. 18.108³ =
  19. 19.98³ =
  20. 20.101³ =
  21. 21.987³ =
  22. 22.104³ =
  23. 23.94³ =
  24. 24.1013³ =
  25. 25.991³ =
  26. 26.104³ =
  27. 27.105³ =
  28. 28.1006³ =
  29. 29.1002³ =
  30. 30.990³ =
  31. 31.1007³ =
  32. 32.101³ =
  33. 33.999³ =
  34. 34.99³ =
  35. 35.1008³ =
  36. 36.1019³ =
  37. 37.991³ =
  38. 38.98³ =
  39. 39.98³ =
  40. 40.1016³ =

Answer key

  1. 857375
  2. 1048772096
  3. 964430272
  4. 958585256
  5. 1030301000
  6. 1295029
  7. 949862087
  8. 997002999
  9. 949862087
  10. 1191016
  11. 1259712
  12. 1061208000
  13. 1045678375
  14. 1225043
  15. 753571
  16. 997002999
  17. 830584
  18. 1259712
  19. 941192
  20. 1030301
  21. 961504803
  22. 1124864
  23. 830584
  24. 1039509197
  25. 973242271
  26. 1124864
  27. 1157625
  28. 1018108216
  29. 1006012008
  30. 970299000
  31. 1021147343
  32. 1030301
  33. 997002999
  34. 970299
  35. 1024192512
  36. 1058089859
  37. 973242271
  38. 941192
  39. 941192
  40. 1048772096

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