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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 88 · 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. 2.990³ =
  3. 3.980³ =
  4. 4.986³ =
  5. 5.96³ =
  6. 6.104³ =
  7. 7.990³ =
  8. 8.991³ =
  9. 9.1010³ =
  10. 10.997³ =
  11. 11.1015³ =
  12. 12.992³ =
  13. 13.1014³ =
  14. 14.1008³ =
  15. 15.980³ =
  16. 16.98³ =
  17. 17.1010³ =
  18. 18.105³ =
  19. 19.108³ =
  20. 20.103³ =
  21. 21.98³ =
  22. 22.91³ =
  23. 23.96³ =
  24. 24.91³ =
  25. 25.106³ =
  26. 26.993³ =
  27. 27.1004³ =
  28. 28.109³ =
  29. 29.107³ =
  30. 30.101³ =
  31. 31.91³ =
  32. 32.1003³ =
  33. 33.988³ =
  34. 34.99³ =
  35. 35.103³ =
  36. 36.998³ =
  37. 37.990³ =
  38. 38.1010³ =
  39. 39.105³ =
  40. 40.994³ =

Answer key

  1. 952763904
  2. 970299000
  3. 941192000
  4. 958585256
  5. 884736
  6. 1124864
  7. 970299000
  8. 973242271
  9. 1030301000
  10. 991026973
  11. 1045678375
  12. 976191488
  13. 1042590744
  14. 1024192512
  15. 941192000
  16. 941192
  17. 1030301000
  18. 1157625
  19. 1259712
  20. 1092727
  21. 941192
  22. 753571
  23. 884736
  24. 753571
  25. 1191016
  26. 979146657
  27. 1012048064
  28. 1295029
  29. 1225043
  30. 1030301
  31. 753571
  32. 1009027027
  33. 964430272
  34. 970299
  35. 1092727
  36. 994011992
  37. 970299000
  38. 1030301000
  39. 1157625
  40. 982107784

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