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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 91 · 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. 1.1017³ =
  2. 2.97³ =
  3. 3.94³ =
  4. 4.101³ =
  5. 5.993³ =
  6. 6.91³ =
  7. 7.105³ =
  8. 8.92³ =
  9. 9.108³ =
  10. 10.98³ =
  11. 11.91³ =
  12. 12.1004³ =
  13. 13.989³ =
  14. 14.93³ =
  15. 15.994³ =
  16. 16.107³ =
  17. 17.1002³ =
  18. 18.994³ =
  19. 19.990³ =
  20. 20.91³ =
  21. 21.99³ =
  22. 22.98³ =
  23. 23.102³ =
  24. 24.1003³ =
  25. 25.93³ =
  26. 26.105³ =
  27. 27.999³ =
  28. 28.1010³ =
  29. 29.105³ =
  30. 30.95³ =
  31. 31.99³ =
  32. 32.101³ =
  33. 33.109³ =
  34. 34.980³ =
  35. 35.1017³ =
  36. 36.108³ =
  37. 37.105³ =
  38. 38.1019³ =
  39. 39.105³ =
  40. 40.995³ =

Answer key

  1. 1051871913
  2. 912673
  3. 830584
  4. 1030301
  5. 979146657
  6. 753571
  7. 1157625
  8. 778688
  9. 1259712
  10. 941192
  11. 753571
  12. 1012048064
  13. 967361669
  14. 804357
  15. 982107784
  16. 1225043
  17. 1006012008
  18. 982107784
  19. 970299000
  20. 753571
  21. 970299
  22. 941192
  23. 1061208
  24. 1009027027
  25. 804357
  26. 1157625
  27. 997002999
  28. 1030301000
  29. 1157625
  30. 857375
  31. 970299
  32. 1030301
  33. 1295029
  34. 941192000
  35. 1051871913
  36. 1259712
  37. 1157625
  38. 1058089859
  39. 1157625
  40. 985074875

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