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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 284 · 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. 1.998³ =
  2. 2.106³ =
  3. 3.993³ =
  4. 4.107³ =
  5. 5.1019³ =
  6. 6.1011³ =
  7. 7.1004³ =
  8. 8.105³ =
  9. 9.105³ =
  10. 10.105³ =
  11. 11.106³ =
  12. 12.994³ =
  13. 13.92³ =
  14. 14.93³ =
  15. 15.103³ =
  16. 16.102³ =
  17. 17.109³ =
  18. 18.103³ =
  19. 19.1015³ =
  20. 20.101³ =
  21. 21.99³ =
  22. 22.108³ =
  23. 23.96³ =
  24. 24.1010³ =
  25. 25.101³ =
  26. 26.102³ =
  27. 27.92³ =
  28. 28.102³ =
  29. 29.997³ =
  30. 30.107³ =
  31. 31.94³ =
  32. 32.98³ =
  33. 33.1007³ =
  34. 34.986³ =
  35. 35.984³ =
  36. 36.1016³ =
  37. 37.995³ =
  38. 38.980³ =
  39. 39.94³ =
  40. 40.1012³ =

Answer key

  1. 994011992
  2. 1191016
  3. 979146657
  4. 1225043
  5. 1058089859
  6. 1033364331
  7. 1012048064
  8. 1157625
  9. 1157625
  10. 1157625
  11. 1191016
  12. 982107784
  13. 778688
  14. 804357
  15. 1092727
  16. 1061208
  17. 1295029
  18. 1092727
  19. 1045678375
  20. 1030301
  21. 970299
  22. 1259712
  23. 884736
  24. 1030301000
  25. 1030301
  26. 1061208
  27. 778688
  28. 1061208
  29. 991026973
  30. 1225043
  31. 830584
  32. 941192
  33. 1021147343
  34. 958585256
  35. 952763904
  36. 1048772096
  37. 985074875
  38. 941192000
  39. 830584
  40. 1036433728

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