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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 431 · 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. 1.983³ =
  2. 2.104³ =
  3. 3.995³ =
  4. 4.987³ =
  5. 5.1016³ =
  6. 6.98³ =
  7. 7.107³ =
  8. 8.1005³ =
  9. 9.108³ =
  10. 10.996³ =
  11. 11.105³ =
  12. 12.1007³ =
  13. 13.92³ =
  14. 14.101³ =
  15. 15.106³ =
  16. 16.104³ =
  17. 17.993³ =
  18. 18.97³ =
  19. 19.104³ =
  20. 20.106³ =
  21. 21.107³ =
  22. 22.1001³ =
  23. 23.98³ =
  24. 24.98³ =
  25. 25.101³ =
  26. 26.1005³ =
  27. 27.1008³ =
  28. 28.994³ =
  29. 29.988³ =
  30. 30.102³ =
  31. 31.93³ =
  32. 32.1006³ =
  33. 33.985³ =
  34. 34.108³ =
  35. 35.1011³ =
  36. 36.109³ =
  37. 37.1007³ =
  38. 38.91³ =
  39. 39.109³ =
  40. 40.107³ =

Answer key

  1. 949862087
  2. 1124864
  3. 985074875
  4. 961504803
  5. 1048772096
  6. 941192
  7. 1225043
  8. 1015075125
  9. 1259712
  10. 988047936
  11. 1157625
  12. 1021147343
  13. 778688
  14. 1030301
  15. 1191016
  16. 1124864
  17. 979146657
  18. 912673
  19. 1124864
  20. 1191016
  21. 1225043
  22. 1003003001
  23. 941192
  24. 941192
  25. 1030301
  26. 1015075125
  27. 1024192512
  28. 982107784
  29. 964430272
  30. 1061208
  31. 804357
  32. 1018108216
  33. 955671625
  34. 1259712
  35. 1033364331
  36. 1295029
  37. 1021147343
  38. 753571
  39. 1295029
  40. 1225043

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