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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 927 · 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. 1.981³ =
  2. 2.995³ =
  3. 3.93³ =
  4. 4.999³ =
  5. 5.1001³ =
  6. 6.1010³ =
  7. 7.995³ =
  8. 8.109³ =
  9. 9.93³ =
  10. 10.103³ =
  11. 11.994³ =
  12. 12.97³ =
  13. 13.107³ =
  14. 14.1009³ =
  15. 15.99³ =
  16. 16.1016³ =
  17. 17.103³ =
  18. 18.998³ =
  19. 19.1006³ =
  20. 20.105³ =
  21. 21.98³ =
  22. 22.105³ =
  23. 23.103³ =
  24. 24.99³ =
  25. 25.99³ =
  26. 26.94³ =
  27. 27.93³ =
  28. 28.95³ =
  29. 29.107³ =
  30. 30.980³ =
  31. 31.94³ =
  32. 32.994³ =
  33. 33.1014³ =
  34. 34.109³ =
  35. 35.96³ =
  36. 36.1003³ =
  37. 37.94³ =
  38. 38.92³ =
  39. 39.98³ =
  40. 40.98³ =

Answer key

  1. 944076141
  2. 985074875
  3. 804357
  4. 997002999
  5. 1003003001
  6. 1030301000
  7. 985074875
  8. 1295029
  9. 804357
  10. 1092727
  11. 982107784
  12. 912673
  13. 1225043
  14. 1027243729
  15. 970299
  16. 1048772096
  17. 1092727
  18. 994011992
  19. 1018108216
  20. 1157625
  21. 941192
  22. 1157625
  23. 1092727
  24. 970299
  25. 970299
  26. 830584
  27. 804357
  28. 857375
  29. 1225043
  30. 941192000
  31. 830584
  32. 982107784
  33. 1042590744
  34. 1295029
  35. 884736
  36. 1009027027
  37. 830584
  38. 778688
  39. 941192
  40. 941192

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