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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 194 · 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. 1.98³ =
  2. 2.95³ =
  3. 3.985³ =
  4. 4.97³ =
  5. 5.995³ =
  6. 6.93³ =
  7. 7.92³ =
  8. 8.105³ =
  9. 9.105³ =
  10. 10.1014³ =
  11. 11.103³ =
  12. 12.96³ =
  13. 13.96³ =
  14. 14.97³ =
  15. 15.103³ =
  16. 16.1001³ =
  17. 17.1004³ =
  18. 18.1002³ =
  19. 19.107³ =
  20. 20.994³ =
  21. 21.996³ =
  22. 22.1009³ =
  23. 23.998³ =
  24. 24.99³ =
  25. 25.103³ =
  26. 26.999³ =
  27. 27.91³ =
  28. 28.1006³ =
  29. 29.91³ =
  30. 30.1014³ =
  31. 31.1011³ =
  32. 32.94³ =
  33. 33.92³ =
  34. 34.97³ =
  35. 35.998³ =
  36. 36.998³ =
  37. 37.981³ =
  38. 38.990³ =
  39. 39.984³ =
  40. 40.1006³ =

Answer key

  1. 941192
  2. 857375
  3. 955671625
  4. 912673
  5. 985074875
  6. 804357
  7. 778688
  8. 1157625
  9. 1157625
  10. 1042590744
  11. 1092727
  12. 884736
  13. 884736
  14. 912673
  15. 1092727
  16. 1003003001
  17. 1012048064
  18. 1006012008
  19. 1225043
  20. 982107784
  21. 988047936
  22. 1027243729
  23. 994011992
  24. 970299
  25. 1092727
  26. 997002999
  27. 753571
  28. 1018108216
  29. 753571
  30. 1042590744
  31. 1033364331
  32. 830584
  33. 778688
  34. 912673
  35. 994011992
  36. 994011992
  37. 944076141
  38. 970299000
  39. 952763904
  40. 1018108216

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