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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 191 · 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. 1.92³ =
  2. 2.984³ =
  3. 3.109³ =
  4. 4.989³ =
  5. 5.1003³ =
  6. 6.1019³ =
  7. 7.1020³ =
  8. 8.102³ =
  9. 9.95³ =
  10. 10.91³ =
  11. 11.988³ =
  12. 12.92³ =
  13. 13.990³ =
  14. 14.95³ =
  15. 15.101³ =
  16. 16.1019³ =
  17. 17.1016³ =
  18. 18.1016³ =
  19. 19.1002³ =
  20. 20.96³ =
  21. 21.985³ =
  22. 22.105³ =
  23. 23.994³ =
  24. 24.109³ =
  25. 25.988³ =
  26. 26.98³ =
  27. 27.95³ =
  28. 28.105³ =
  29. 29.104³ =
  30. 30.989³ =
  31. 31.1007³ =
  32. 32.1008³ =
  33. 33.94³ =
  34. 34.103³ =
  35. 35.982³ =
  36. 36.980³ =
  37. 37.987³ =
  38. 38.106³ =
  39. 39.96³ =
  40. 40.91³ =

Answer key

  1. 778688
  2. 952763904
  3. 1295029
  4. 967361669
  5. 1009027027
  6. 1058089859
  7. 1061208000
  8. 1061208
  9. 857375
  10. 753571
  11. 964430272
  12. 778688
  13. 970299000
  14. 857375
  15. 1030301
  16. 1058089859
  17. 1048772096
  18. 1048772096
  19. 1006012008
  20. 884736
  21. 955671625
  22. 1157625
  23. 982107784
  24. 1295029
  25. 964430272
  26. 941192
  27. 857375
  28. 1157625
  29. 1124864
  30. 967361669
  31. 1021147343
  32. 1024192512
  33. 830584
  34. 1092727
  35. 946966168
  36. 941192000
  37. 961504803
  38. 1191016
  39. 884736
  40. 753571

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