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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 982 · 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. 1.1005³ =
  2. 2.97³ =
  3. 3.994³ =
  4. 4.1017³ =
  5. 5.96³ =
  6. 6.994³ =
  7. 7.96³ =
  8. 8.1017³ =
  9. 9.93³ =
  10. 10.93³ =
  11. 11.1003³ =
  12. 12.96³ =
  13. 13.1009³ =
  14. 14.107³ =
  15. 15.95³ =
  16. 16.985³ =
  17. 17.1007³ =
  18. 18.999³ =
  19. 19.109³ =
  20. 20.102³ =
  21. 21.95³ =
  22. 22.109³ =
  23. 23.1013³ =
  24. 24.1015³ =
  25. 25.102³ =
  26. 26.101³ =
  27. 27.102³ =
  28. 28.1006³ =
  29. 29.101³ =
  30. 30.105³ =
  31. 31.106³ =
  32. 32.988³ =
  33. 33.1015³ =
  34. 34.98³ =
  35. 35.98³ =
  36. 36.984³ =
  37. 37.1004³ =
  38. 38.109³ =
  39. 39.109³ =
  40. 40.97³ =

Answer key

  1. 1015075125
  2. 912673
  3. 982107784
  4. 1051871913
  5. 884736
  6. 982107784
  7. 884736
  8. 1051871913
  9. 804357
  10. 804357
  11. 1009027027
  12. 884736
  13. 1027243729
  14. 1225043
  15. 857375
  16. 955671625
  17. 1021147343
  18. 997002999
  19. 1295029
  20. 1061208
  21. 857375
  22. 1295029
  23. 1039509197
  24. 1045678375
  25. 1061208
  26. 1030301
  27. 1061208
  28. 1018108216
  29. 1030301
  30. 1157625
  31. 1191016
  32. 964430272
  33. 1045678375
  34. 941192
  35. 941192
  36. 952763904
  37. 1012048064
  38. 1295029
  39. 1295029
  40. 912673

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