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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 951 · 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. 1.1008³ =
  2. 2.101³ =
  3. 3.91³ =
  4. 4.96³ =
  5. 5.96³ =
  6. 6.1012³ =
  7. 7.986³ =
  8. 8.95³ =
  9. 9.103³ =
  10. 10.1003³ =
  11. 11.107³ =
  12. 12.93³ =
  13. 13.106³ =
  14. 14.997³ =
  15. 15.985³ =
  16. 16.105³ =
  17. 17.96³ =
  18. 18.1002³ =
  19. 19.991³ =
  20. 20.106³ =
  21. 21.99³ =
  22. 22.103³ =
  23. 23.980³ =
  24. 24.108³ =
  25. 25.101³ =
  26. 26.998³ =
  27. 27.91³ =
  28. 28.1015³ =
  29. 29.98³ =
  30. 30.103³ =
  31. 31.99³ =
  32. 32.91³ =
  33. 33.93³ =
  34. 34.93³ =
  35. 35.982³ =
  36. 36.1015³ =
  37. 37.103³ =
  38. 38.102³ =
  39. 39.95³ =
  40. 40.996³ =

Answer key

  1. 1024192512
  2. 1030301
  3. 753571
  4. 884736
  5. 884736
  6. 1036433728
  7. 958585256
  8. 857375
  9. 1092727
  10. 1009027027
  11. 1225043
  12. 804357
  13. 1191016
  14. 991026973
  15. 955671625
  16. 1157625
  17. 884736
  18. 1006012008
  19. 973242271
  20. 1191016
  21. 970299
  22. 1092727
  23. 941192000
  24. 1259712
  25. 1030301
  26. 994011992
  27. 753571
  28. 1045678375
  29. 941192
  30. 1092727
  31. 970299
  32. 753571
  33. 804357
  34. 804357
  35. 946966168
  36. 1045678375
  37. 1092727
  38. 1061208
  39. 857375
  40. 988047936

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