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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 15 · 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. 1.107³ =
  2. 2.996³ =
  3. 3.1016³ =
  4. 4.96³ =
  5. 5.986³ =
  6. 6.98³ =
  7. 7.105³ =
  8. 8.995³ =
  9. 9.991³ =
  10. 10.980³ =
  11. 11.103³ =
  12. 12.99³ =
  13. 13.1007³ =
  14. 14.1004³ =
  15. 15.985³ =
  16. 16.96³ =
  17. 17.92³ =
  18. 18.1011³ =
  19. 19.1012³ =
  20. 20.102³ =
  21. 21.985³ =
  22. 22.107³ =
  23. 23.989³ =
  24. 24.97³ =
  25. 25.1016³ =
  26. 26.1005³ =
  27. 27.96³ =
  28. 28.94³ =
  29. 29.1003³ =
  30. 30.980³ =
  31. 31.1001³ =
  32. 32.96³ =
  33. 33.99³ =
  34. 34.91³ =
  35. 35.107³ =
  36. 36.109³ =
  37. 37.107³ =
  38. 38.984³ =
  39. 39.106³ =
  40. 40.94³ =

Answer key

  1. 1225043
  2. 988047936
  3. 1048772096
  4. 884736
  5. 958585256
  6. 941192
  7. 1157625
  8. 985074875
  9. 973242271
  10. 941192000
  11. 1092727
  12. 970299
  13. 1021147343
  14. 1012048064
  15. 955671625
  16. 884736
  17. 778688
  18. 1033364331
  19. 1036433728
  20. 1061208
  21. 955671625
  22. 1225043
  23. 967361669
  24. 912673
  25. 1048772096
  26. 1015075125
  27. 884736
  28. 830584
  29. 1009027027
  30. 941192000
  31. 1003003001
  32. 884736
  33. 970299
  34. 753571
  35. 1225043
  36. 1295029
  37. 1225043
  38. 952763904
  39. 1191016
  40. 830584

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