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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 871 · 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. 1.997³ =
  2. 2.102³ =
  3. 3.993³ =
  4. 4.1018³ =
  5. 5.992³ =
  6. 6.995³ =
  7. 7.93³ =
  8. 8.980³ =
  9. 9.1009³ =
  10. 10.1007³ =
  11. 11.105³ =
  12. 12.94³ =
  13. 13.1016³ =
  14. 14.992³ =
  15. 15.1015³ =
  16. 16.96³ =
  17. 17.997³ =
  18. 18.1016³ =
  19. 19.103³ =
  20. 20.980³ =
  21. 21.1005³ =
  22. 22.1008³ =
  23. 23.96³ =
  24. 24.95³ =
  25. 25.109³ =
  26. 26.1020³ =
  27. 27.106³ =
  28. 28.993³ =
  29. 29.108³ =
  30. 30.995³ =
  31. 31.98³ =
  32. 32.101³ =
  33. 33.1018³ =
  34. 34.92³ =
  35. 35.994³ =
  36. 36.95³ =
  37. 37.95³ =
  38. 38.96³ =
  39. 39.99³ =
  40. 40.101³ =

Answer key

  1. 991026973
  2. 1061208
  3. 979146657
  4. 1054977832
  5. 976191488
  6. 985074875
  7. 804357
  8. 941192000
  9. 1027243729
  10. 1021147343
  11. 1157625
  12. 830584
  13. 1048772096
  14. 976191488
  15. 1045678375
  16. 884736
  17. 991026973
  18. 1048772096
  19. 1092727
  20. 941192000
  21. 1015075125
  22. 1024192512
  23. 884736
  24. 857375
  25. 1295029
  26. 1061208000
  27. 1191016
  28. 979146657
  29. 1259712
  30. 985074875
  31. 941192
  32. 1030301
  33. 1054977832
  34. 778688
  35. 982107784
  36. 857375
  37. 857375
  38. 884736
  39. 970299
  40. 1030301

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