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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 661 · 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. 1.91³ =
  2. 2.91³ =
  3. 3.104³ =
  4. 4.99³ =
  5. 5.102³ =
  6. 6.96³ =
  7. 7.1018³ =
  8. 8.996³ =
  9. 9.989³ =
  10. 10.92³ =
  11. 11.107³ =
  12. 12.91³ =
  13. 13.101³ =
  14. 14.96³ =
  15. 15.1004³ =
  16. 16.1003³ =
  17. 17.91³ =
  18. 18.102³ =
  19. 19.1003³ =
  20. 20.993³ =
  21. 21.1014³ =
  22. 22.1010³ =
  23. 23.108³ =
  24. 24.998³ =
  25. 25.1006³ =
  26. 26.106³ =
  27. 27.1014³ =
  28. 28.1012³ =
  29. 29.999³ =
  30. 30.107³ =
  31. 31.105³ =
  32. 32.101³ =
  33. 33.94³ =
  34. 34.97³ =
  35. 35.97³ =
  36. 36.108³ =
  37. 37.104³ =
  38. 38.991³ =
  39. 39.96³ =
  40. 40.93³ =

Answer key

  1. 753571
  2. 753571
  3. 1124864
  4. 970299
  5. 1061208
  6. 884736
  7. 1054977832
  8. 988047936
  9. 967361669
  10. 778688
  11. 1225043
  12. 753571
  13. 1030301
  14. 884736
  15. 1012048064
  16. 1009027027
  17. 753571
  18. 1061208
  19. 1009027027
  20. 979146657
  21. 1042590744
  22. 1030301000
  23. 1259712
  24. 994011992
  25. 1018108216
  26. 1191016
  27. 1042590744
  28. 1036433728
  29. 997002999
  30. 1225043
  31. 1157625
  32. 1030301
  33. 830584
  34. 912673
  35. 912673
  36. 1259712
  37. 1124864
  38. 973242271
  39. 884736
  40. 804357

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