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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 686 · 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. 1.92³ =
  2. 2.94³ =
  3. 3.981³ =
  4. 4.1012³ =
  5. 5.98³ =
  6. 6.1019³ =
  7. 7.108³ =
  8. 8.93³ =
  9. 9.1003³ =
  10. 10.103³ =
  11. 11.91³ =
  12. 12.106³ =
  13. 13.1016³ =
  14. 14.109³ =
  15. 15.105³ =
  16. 16.95³ =
  17. 17.95³ =
  18. 18.989³ =
  19. 19.980³ =
  20. 20.96³ =
  21. 21.998³ =
  22. 22.1019³ =
  23. 23.108³ =
  24. 24.91³ =
  25. 25.101³ =
  26. 26.98³ =
  27. 27.91³ =
  28. 28.107³ =
  29. 29.102³ =
  30. 30.98³ =
  31. 31.985³ =
  32. 32.1017³ =
  33. 33.95³ =
  34. 34.994³ =
  35. 35.94³ =
  36. 36.999³ =
  37. 37.103³ =
  38. 38.992³ =
  39. 39.97³ =
  40. 40.1006³ =

Answer key

  1. 778688
  2. 830584
  3. 944076141
  4. 1036433728
  5. 941192
  6. 1058089859
  7. 1259712
  8. 804357
  9. 1009027027
  10. 1092727
  11. 753571
  12. 1191016
  13. 1048772096
  14. 1295029
  15. 1157625
  16. 857375
  17. 857375
  18. 967361669
  19. 941192000
  20. 884736
  21. 994011992
  22. 1058089859
  23. 1259712
  24. 753571
  25. 1030301
  26. 941192
  27. 753571
  28. 1225043
  29. 1061208
  30. 941192
  31. 955671625
  32. 1051871913
  33. 857375
  34. 982107784
  35. 830584
  36. 997002999
  37. 1092727
  38. 976191488
  39. 912673
  40. 1018108216

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