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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 395 · 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. 2.94³ =
  3. 3.108³ =
  4. 4.92³ =
  5. 5.999³ =
  6. 6.98³ =
  7. 7.92³ =
  8. 8.1004³ =
  9. 9.99³ =
  10. 10.1011³ =
  11. 11.109³ =
  12. 12.92³ =
  13. 13.989³ =
  14. 14.107³ =
  15. 15.91³ =
  16. 16.1013³ =
  17. 17.107³ =
  18. 18.98³ =
  19. 19.98³ =
  20. 20.101³ =
  21. 21.1012³ =
  22. 22.91³ =
  23. 23.981³ =
  24. 24.1005³ =
  25. 25.1001³ =
  26. 26.105³ =
  27. 27.106³ =
  28. 28.99³ =
  29. 29.104³ =
  30. 30.104³ =
  31. 31.96³ =
  32. 32.1010³ =
  33. 33.92³ =
  34. 34.995³ =
  35. 35.989³ =
  36. 36.103³ =
  37. 37.1018³ =
  38. 38.91³ =
  39. 39.1012³ =
  40. 40.985³ =

Answer key

  1. 753571
  2. 830584
  3. 1259712
  4. 778688
  5. 997002999
  6. 941192
  7. 778688
  8. 1012048064
  9. 970299
  10. 1033364331
  11. 1295029
  12. 778688
  13. 967361669
  14. 1225043
  15. 753571
  16. 1039509197
  17. 1225043
  18. 941192
  19. 941192
  20. 1030301
  21. 1036433728
  22. 753571
  23. 944076141
  24. 1015075125
  25. 1003003001
  26. 1157625
  27. 1191016
  28. 970299
  29. 1124864
  30. 1124864
  31. 884736
  32. 1030301000
  33. 778688
  34. 985074875
  35. 967361669
  36. 1092727
  37. 1054977832
  38. 753571
  39. 1036433728
  40. 955671625

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