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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 138 · 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. 1.107³ =
  2. 2.102³ =
  3. 3.997³ =
  4. 4.104³ =
  5. 5.994³ =
  6. 6.987³ =
  7. 7.987³ =
  8. 8.95³ =
  9. 9.994³ =
  10. 10.106³ =
  11. 11.991³ =
  12. 12.981³ =
  13. 13.96³ =
  14. 14.1001³ =
  15. 15.981³ =
  16. 16.108³ =
  17. 17.97³ =
  18. 18.95³ =
  19. 19.98³ =
  20. 20.98³ =
  21. 21.988³ =
  22. 22.105³ =
  23. 23.1010³ =
  24. 24.109³ =
  25. 25.95³ =
  26. 26.97³ =
  27. 27.93³ =
  28. 28.990³ =
  29. 29.997³ =
  30. 30.1004³ =
  31. 31.1018³ =
  32. 32.103³ =
  33. 33.91³ =
  34. 34.1008³ =
  35. 35.1007³ =
  36. 36.93³ =
  37. 37.1013³ =
  38. 38.107³ =
  39. 39.982³ =
  40. 40.1007³ =

Answer key

  1. 1225043
  2. 1061208
  3. 991026973
  4. 1124864
  5. 982107784
  6. 961504803
  7. 961504803
  8. 857375
  9. 982107784
  10. 1191016
  11. 973242271
  12. 944076141
  13. 884736
  14. 1003003001
  15. 944076141
  16. 1259712
  17. 912673
  18. 857375
  19. 941192
  20. 941192
  21. 964430272
  22. 1157625
  23. 1030301000
  24. 1295029
  25. 857375
  26. 912673
  27. 804357
  28. 970299000
  29. 991026973
  30. 1012048064
  31. 1054977832
  32. 1092727
  33. 753571
  34. 1024192512
  35. 1021147343
  36. 804357
  37. 1039509197
  38. 1225043
  39. 946966168
  40. 1021147343

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