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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 511 · 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. 2.996³ =
  3. 3.984³ =
  4. 4.94³ =
  5. 5.983³ =
  6. 6.93³ =
  7. 7.93³ =
  8. 8.1015³ =
  9. 9.107³ =
  10. 10.108³ =
  11. 11.91³ =
  12. 12.1011³ =
  13. 13.101³ =
  14. 14.97³ =
  15. 15.98³ =
  16. 16.94³ =
  17. 17.105³ =
  18. 18.109³ =
  19. 19.98³ =
  20. 20.98³ =
  21. 21.109³ =
  22. 22.104³ =
  23. 23.980³ =
  24. 24.96³ =
  25. 25.996³ =
  26. 26.103³ =
  27. 27.106³ =
  28. 28.1001³ =
  29. 29.96³ =
  30. 30.106³ =
  31. 31.982³ =
  32. 32.96³ =
  33. 33.986³ =
  34. 34.980³ =
  35. 35.1002³ =
  36. 36.1009³ =
  37. 37.999³ =
  38. 38.105³ =
  39. 39.103³ =
  40. 40.1001³ =

Answer key

  1. 778688
  2. 988047936
  3. 952763904
  4. 830584
  5. 949862087
  6. 804357
  7. 804357
  8. 1045678375
  9. 1225043
  10. 1259712
  11. 753571
  12. 1033364331
  13. 1030301
  14. 912673
  15. 941192
  16. 830584
  17. 1157625
  18. 1295029
  19. 941192
  20. 941192
  21. 1295029
  22. 1124864
  23. 941192000
  24. 884736
  25. 988047936
  26. 1092727
  27. 1191016
  28. 1003003001
  29. 884736
  30. 1191016
  31. 946966168
  32. 884736
  33. 958585256
  34. 941192000
  35. 1006012008
  36. 1027243729
  37. 997002999
  38. 1157625
  39. 1092727
  40. 1003003001

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