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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 368 · 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. 1.984³ =
  2. 2.1015³ =
  3. 3.1012³ =
  4. 4.103³ =
  5. 5.999³ =
  6. 6.103³ =
  7. 7.102³ =
  8. 8.97³ =
  9. 9.995³ =
  10. 10.101³ =
  11. 11.99³ =
  12. 12.98³ =
  13. 13.1005³ =
  14. 14.1004³ =
  15. 15.104³ =
  16. 16.984³ =
  17. 17.980³ =
  18. 18.992³ =
  19. 19.1002³ =
  20. 20.985³ =
  21. 21.96³ =
  22. 22.994³ =
  23. 23.1011³ =
  24. 24.980³ =
  25. 25.104³ =
  26. 26.97³ =
  27. 27.1001³ =
  28. 28.94³ =
  29. 29.984³ =
  30. 30.102³ =
  31. 31.91³ =
  32. 32.99³ =
  33. 33.1018³ =
  34. 34.995³ =
  35. 35.994³ =
  36. 36.986³ =
  37. 37.97³ =
  38. 38.103³ =
  39. 39.989³ =
  40. 40.107³ =

Answer key

  1. 952763904
  2. 1045678375
  3. 1036433728
  4. 1092727
  5. 997002999
  6. 1092727
  7. 1061208
  8. 912673
  9. 985074875
  10. 1030301
  11. 970299
  12. 941192
  13. 1015075125
  14. 1012048064
  15. 1124864
  16. 952763904
  17. 941192000
  18. 976191488
  19. 1006012008
  20. 955671625
  21. 884736
  22. 982107784
  23. 1033364331
  24. 941192000
  25. 1124864
  26. 912673
  27. 1003003001
  28. 830584
  29. 952763904
  30. 1061208
  31. 753571
  32. 970299
  33. 1054977832
  34. 985074875
  35. 982107784
  36. 958585256
  37. 912673
  38. 1092727
  39. 967361669
  40. 1225043

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