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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 923 · 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. 1.94³ =
  2. 2.992³ =
  3. 3.1020³ =
  4. 4.103³ =
  5. 5.99³ =
  6. 6.96³ =
  7. 7.1002³ =
  8. 8.107³ =
  9. 9.996³ =
  10. 10.103³ =
  11. 11.101³ =
  12. 12.981³ =
  13. 13.101³ =
  14. 14.107³ =
  15. 15.108³ =
  16. 16.97³ =
  17. 17.99³ =
  18. 18.93³ =
  19. 19.991³ =
  20. 20.995³ =
  21. 21.1011³ =
  22. 22.1017³ =
  23. 23.98³ =
  24. 24.994³ =
  25. 25.983³ =
  26. 26.985³ =
  27. 27.102³ =
  28. 28.109³ =
  29. 29.104³ =
  30. 30.993³ =
  31. 31.93³ =
  32. 32.107³ =
  33. 33.995³ =
  34. 34.988³ =
  35. 35.108³ =
  36. 36.101³ =
  37. 37.109³ =
  38. 38.1016³ =
  39. 39.1006³ =
  40. 40.987³ =

Answer key

  1. 830584
  2. 976191488
  3. 1061208000
  4. 1092727
  5. 970299
  6. 884736
  7. 1006012008
  8. 1225043
  9. 988047936
  10. 1092727
  11. 1030301
  12. 944076141
  13. 1030301
  14. 1225043
  15. 1259712
  16. 912673
  17. 970299
  18. 804357
  19. 973242271
  20. 985074875
  21. 1033364331
  22. 1051871913
  23. 941192
  24. 982107784
  25. 949862087
  26. 955671625
  27. 1061208
  28. 1295029
  29. 1124864
  30. 979146657
  31. 804357
  32. 1225043
  33. 985074875
  34. 964430272
  35. 1259712
  36. 1030301
  37. 1295029
  38. 1048772096
  39. 1018108216
  40. 961504803

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