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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 361 · 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. 2.94³ =
  3. 3.1019³ =
  4. 4.96³ =
  5. 5.92³ =
  6. 6.998³ =
  7. 7.92³ =
  8. 8.991³ =
  9. 9.989³ =
  10. 10.98³ =
  11. 11.106³ =
  12. 12.985³ =
  13. 13.93³ =
  14. 14.1016³ =
  15. 15.99³ =
  16. 16.99³ =
  17. 17.97³ =
  18. 18.95³ =
  19. 19.996³ =
  20. 20.109³ =
  21. 21.982³ =
  22. 22.1012³ =
  23. 23.95³ =
  24. 24.997³ =
  25. 25.990³ =
  26. 26.1012³ =
  27. 27.107³ =
  28. 28.109³ =
  29. 29.1017³ =
  30. 30.109³ =
  31. 31.104³ =
  32. 32.981³ =
  33. 33.96³ =
  34. 34.987³ =
  35. 35.101³ =
  36. 36.986³ =
  37. 37.95³ =
  38. 38.1010³ =
  39. 39.1007³ =
  40. 40.997³ =

Answer key

  1. 952763904
  2. 830584
  3. 1058089859
  4. 884736
  5. 778688
  6. 994011992
  7. 778688
  8. 973242271
  9. 967361669
  10. 941192
  11. 1191016
  12. 955671625
  13. 804357
  14. 1048772096
  15. 970299
  16. 970299
  17. 912673
  18. 857375
  19. 988047936
  20. 1295029
  21. 946966168
  22. 1036433728
  23. 857375
  24. 991026973
  25. 970299000
  26. 1036433728
  27. 1225043
  28. 1295029
  29. 1051871913
  30. 1295029
  31. 1124864
  32. 944076141
  33. 884736
  34. 961504803
  35. 1030301
  36. 958585256
  37. 857375
  38. 1030301000
  39. 1021147343
  40. 991026973

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