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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 154 · 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. 2.103³ =
  3. 3.103³ =
  4. 4.109³ =
  5. 5.92³ =
  6. 6.91³ =
  7. 7.1008³ =
  8. 8.986³ =
  9. 9.97³ =
  10. 10.91³ =
  11. 11.1002³ =
  12. 12.993³ =
  13. 13.982³ =
  14. 14.94³ =
  15. 15.980³ =
  16. 16.95³ =
  17. 17.994³ =
  18. 18.986³ =
  19. 19.999³ =
  20. 20.1013³ =
  21. 21.97³ =
  22. 22.102³ =
  23. 23.95³ =
  24. 24.1019³ =
  25. 25.97³ =
  26. 26.99³ =
  27. 27.1011³ =
  28. 28.984³ =
  29. 29.103³ =
  30. 30.109³ =
  31. 31.103³ =
  32. 32.107³ =
  33. 33.1004³ =
  34. 34.103³ =
  35. 35.102³ =
  36. 36.1009³ =
  37. 37.94³ =
  38. 38.99³ =
  39. 39.91³ =
  40. 40.101³ =

Answer key

  1. 778688
  2. 1092727
  3. 1092727
  4. 1295029
  5. 778688
  6. 753571
  7. 1024192512
  8. 958585256
  9. 912673
  10. 753571
  11. 1006012008
  12. 979146657
  13. 946966168
  14. 830584
  15. 941192000
  16. 857375
  17. 982107784
  18. 958585256
  19. 997002999
  20. 1039509197
  21. 912673
  22. 1061208
  23. 857375
  24. 1058089859
  25. 912673
  26. 970299
  27. 1033364331
  28. 952763904
  29. 1092727
  30. 1295029
  31. 1092727
  32. 1225043
  33. 1012048064
  34. 1092727
  35. 1061208
  36. 1027243729
  37. 830584
  38. 970299
  39. 753571
  40. 1030301

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