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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 235 · 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. 1.1020³ =
  2. 2.97³ =
  3. 3.1010³ =
  4. 4.103³ =
  5. 5.1009³ =
  6. 6.1007³ =
  7. 7.106³ =
  8. 8.107³ =
  9. 9.995³ =
  10. 10.98³ =
  11. 11.93³ =
  12. 12.98³ =
  13. 13.103³ =
  14. 14.986³ =
  15. 15.95³ =
  16. 16.1007³ =
  17. 17.1007³ =
  18. 18.91³ =
  19. 19.93³ =
  20. 20.98³ =
  21. 21.997³ =
  22. 22.99³ =
  23. 23.994³ =
  24. 24.93³ =
  25. 25.98³ =
  26. 26.109³ =
  27. 27.107³ =
  28. 28.1013³ =
  29. 29.99³ =
  30. 30.95³ =
  31. 31.107³ =
  32. 32.93³ =
  33. 33.95³ =
  34. 34.93³ =
  35. 35.995³ =
  36. 36.1004³ =
  37. 37.999³ =
  38. 38.1008³ =
  39. 39.99³ =
  40. 40.98³ =

Answer key

  1. 1061208000
  2. 912673
  3. 1030301000
  4. 1092727
  5. 1027243729
  6. 1021147343
  7. 1191016
  8. 1225043
  9. 985074875
  10. 941192
  11. 804357
  12. 941192
  13. 1092727
  14. 958585256
  15. 857375
  16. 1021147343
  17. 1021147343
  18. 753571
  19. 804357
  20. 941192
  21. 991026973
  22. 970299
  23. 982107784
  24. 804357
  25. 941192
  26. 1295029
  27. 1225043
  28. 1039509197
  29. 970299
  30. 857375
  31. 1225043
  32. 804357
  33. 857375
  34. 804357
  35. 985074875
  36. 1012048064
  37. 997002999
  38. 1024192512
  39. 970299
  40. 941192

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