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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 480 · 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. 1.1019³ =
  2. 2.984³ =
  3. 3.98³ =
  4. 4.107³ =
  5. 5.986³ =
  6. 6.106³ =
  7. 7.983³ =
  8. 8.1003³ =
  9. 9.98³ =
  10. 10.101³ =
  11. 11.1014³ =
  12. 12.1005³ =
  13. 13.95³ =
  14. 14.1002³ =
  15. 15.96³ =
  16. 16.105³ =
  17. 17.1013³ =
  18. 18.94³ =
  19. 19.96³ =
  20. 20.99³ =
  21. 21.96³ =
  22. 22.95³ =
  23. 23.999³ =
  24. 24.995³ =
  25. 25.95³ =
  26. 26.984³ =
  27. 27.99³ =
  28. 28.989³ =
  29. 29.94³ =
  30. 30.104³ =
  31. 31.93³ =
  32. 32.105³ =
  33. 33.99³ =
  34. 34.995³ =
  35. 35.1020³ =
  36. 36.1004³ =
  37. 37.997³ =
  38. 38.1016³ =
  39. 39.1005³ =
  40. 40.994³ =

Answer key

  1. 1058089859
  2. 952763904
  3. 941192
  4. 1225043
  5. 958585256
  6. 1191016
  7. 949862087
  8. 1009027027
  9. 941192
  10. 1030301
  11. 1042590744
  12. 1015075125
  13. 857375
  14. 1006012008
  15. 884736
  16. 1157625
  17. 1039509197
  18. 830584
  19. 884736
  20. 970299
  21. 884736
  22. 857375
  23. 997002999
  24. 985074875
  25. 857375
  26. 952763904
  27. 970299
  28. 967361669
  29. 830584
  30. 1124864
  31. 804357
  32. 1157625
  33. 970299
  34. 985074875
  35. 1061208000
  36. 1012048064
  37. 991026973
  38. 1048772096
  39. 1015075125
  40. 982107784

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