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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 631 · 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. 1.106³ =
  2. 2.104³ =
  3. 3.94³ =
  4. 4.983³ =
  5. 5.105³ =
  6. 6.982³ =
  7. 7.93³ =
  8. 8.994³ =
  9. 9.984³ =
  10. 10.1019³ =
  11. 11.91³ =
  12. 12.984³ =
  13. 13.1019³ =
  14. 14.1015³ =
  15. 15.92³ =
  16. 16.985³ =
  17. 17.97³ =
  18. 18.1007³ =
  19. 19.995³ =
  20. 20.108³ =
  21. 21.1004³ =
  22. 22.92³ =
  23. 23.98³ =
  24. 24.96³ =
  25. 25.992³ =
  26. 26.98³ =
  27. 27.1002³ =
  28. 28.1002³ =
  29. 29.1016³ =
  30. 30.105³ =
  31. 31.101³ =
  32. 32.95³ =
  33. 33.91³ =
  34. 34.1018³ =
  35. 35.97³ =
  36. 36.94³ =
  37. 37.980³ =
  38. 38.107³ =
  39. 39.102³ =
  40. 40.106³ =

Answer key

  1. 1191016
  2. 1124864
  3. 830584
  4. 949862087
  5. 1157625
  6. 946966168
  7. 804357
  8. 982107784
  9. 952763904
  10. 1058089859
  11. 753571
  12. 952763904
  13. 1058089859
  14. 1045678375
  15. 778688
  16. 955671625
  17. 912673
  18. 1021147343
  19. 985074875
  20. 1259712
  21. 1012048064
  22. 778688
  23. 941192
  24. 884736
  25. 976191488
  26. 941192
  27. 1006012008
  28. 1006012008
  29. 1048772096
  30. 1157625
  31. 1030301
  32. 857375
  33. 753571
  34. 1054977832
  35. 912673
  36. 830584
  37. 941192000
  38. 1225043
  39. 1061208
  40. 1191016

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