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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 252 · 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. 1.1010³ =
  2. 2.92³ =
  3. 3.104³ =
  4. 4.93³ =
  5. 5.101³ =
  6. 6.981³ =
  7. 7.95³ =
  8. 8.94³ =
  9. 9.1011³ =
  10. 10.994³ =
  11. 11.1007³ =
  12. 12.1019³ =
  13. 13.101³ =
  14. 14.105³ =
  15. 15.105³ =
  16. 16.991³ =
  17. 17.108³ =
  18. 18.92³ =
  19. 19.109³ =
  20. 20.92³ =
  21. 21.91³ =
  22. 22.106³ =
  23. 23.105³ =
  24. 24.102³ =
  25. 25.99³ =
  26. 26.104³ =
  27. 27.990³ =
  28. 28.102³ =
  29. 29.981³ =
  30. 30.1004³ =
  31. 31.1008³ =
  32. 32.102³ =
  33. 33.106³ =
  34. 34.986³ =
  35. 35.984³ =
  36. 36.109³ =
  37. 37.91³ =
  38. 38.996³ =
  39. 39.1007³ =
  40. 40.97³ =

Answer key

  1. 1030301000
  2. 778688
  3. 1124864
  4. 804357
  5. 1030301
  6. 944076141
  7. 857375
  8. 830584
  9. 1033364331
  10. 982107784
  11. 1021147343
  12. 1058089859
  13. 1030301
  14. 1157625
  15. 1157625
  16. 973242271
  17. 1259712
  18. 778688
  19. 1295029
  20. 778688
  21. 753571
  22. 1191016
  23. 1157625
  24. 1061208
  25. 970299
  26. 1124864
  27. 970299000
  28. 1061208
  29. 944076141
  30. 1012048064
  31. 1024192512
  32. 1061208
  33. 1191016
  34. 958585256
  35. 952763904
  36. 1295029
  37. 753571
  38. 988047936
  39. 1021147343
  40. 912673

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