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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 314 · 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. 1.92³ =
  2. 2.1015³ =
  3. 3.99³ =
  4. 4.984³ =
  5. 5.97³ =
  6. 6.1020³ =
  7. 7.102³ =
  8. 8.106³ =
  9. 9.1009³ =
  10. 10.1005³ =
  11. 11.91³ =
  12. 12.1016³ =
  13. 13.1010³ =
  14. 14.994³ =
  15. 15.1009³ =
  16. 16.104³ =
  17. 17.1017³ =
  18. 18.1016³ =
  19. 19.105³ =
  20. 20.990³ =
  21. 21.92³ =
  22. 22.102³ =
  23. 23.983³ =
  24. 24.94³ =
  25. 25.992³ =
  26. 26.1004³ =
  27. 27.99³ =
  28. 28.106³ =
  29. 29.1017³ =
  30. 30.92³ =
  31. 31.1011³ =
  32. 32.102³ =
  33. 33.981³ =
  34. 34.102³ =
  35. 35.96³ =
  36. 36.1008³ =
  37. 37.1018³ =
  38. 38.91³ =
  39. 39.97³ =
  40. 40.1005³ =

Answer key

  1. 778688
  2. 1045678375
  3. 970299
  4. 952763904
  5. 912673
  6. 1061208000
  7. 1061208
  8. 1191016
  9. 1027243729
  10. 1015075125
  11. 753571
  12. 1048772096
  13. 1030301000
  14. 982107784
  15. 1027243729
  16. 1124864
  17. 1051871913
  18. 1048772096
  19. 1157625
  20. 970299000
  21. 778688
  22. 1061208
  23. 949862087
  24. 830584
  25. 976191488
  26. 1012048064
  27. 970299
  28. 1191016
  29. 1051871913
  30. 778688
  31. 1033364331
  32. 1061208
  33. 944076141
  34. 1061208
  35. 884736
  36. 1024192512
  37. 1054977832
  38. 753571
  39. 912673
  40. 1015075125

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