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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 406 · 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. 2.96³ =
  3. 3.995³ =
  4. 4.103³ =
  5. 5.101³ =
  6. 6.93³ =
  7. 7.106³ =
  8. 8.1003³ =
  9. 9.94³ =
  10. 10.1004³ =
  11. 11.995³ =
  12. 12.1005³ =
  13. 13.1008³ =
  14. 14.96³ =
  15. 15.1014³ =
  16. 16.97³ =
  17. 17.96³ =
  18. 18.995³ =
  19. 19.992³ =
  20. 20.106³ =
  21. 21.93³ =
  22. 22.106³ =
  23. 23.985³ =
  24. 24.107³ =
  25. 25.98³ =
  26. 26.980³ =
  27. 27.1011³ =
  28. 28.103³ =
  29. 29.107³ =
  30. 30.106³ =
  31. 31.107³ =
  32. 32.95³ =
  33. 33.1020³ =
  34. 34.103³ =
  35. 35.93³ =
  36. 36.109³ =
  37. 37.985³ =
  38. 38.1018³ =
  39. 39.983³ =
  40. 40.990³ =

Answer key

  1. 952763904
  2. 884736
  3. 985074875
  4. 1092727
  5. 1030301
  6. 804357
  7. 1191016
  8. 1009027027
  9. 830584
  10. 1012048064
  11. 985074875
  12. 1015075125
  13. 1024192512
  14. 884736
  15. 1042590744
  16. 912673
  17. 884736
  18. 985074875
  19. 976191488
  20. 1191016
  21. 804357
  22. 1191016
  23. 955671625
  24. 1225043
  25. 941192
  26. 941192000
  27. 1033364331
  28. 1092727
  29. 1225043
  30. 1191016
  31. 1225043
  32. 857375
  33. 1061208000
  34. 1092727
  35. 804357
  36. 1295029
  37. 955671625
  38. 1054977832
  39. 949862087
  40. 970299000

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