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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 61 · 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. 1.988³ =
  2. 2.1004³ =
  3. 3.984³ =
  4. 4.91³ =
  5. 5.1007³ =
  6. 6.96³ =
  7. 7.104³ =
  8. 8.102³ =
  9. 9.91³ =
  10. 10.93³ =
  11. 11.91³ =
  12. 12.997³ =
  13. 13.91³ =
  14. 14.103³ =
  15. 15.104³ =
  16. 16.96³ =
  17. 17.1007³ =
  18. 18.997³ =
  19. 19.94³ =
  20. 20.1002³ =
  21. 21.999³ =
  22. 22.1008³ =
  23. 23.992³ =
  24. 24.991³ =
  25. 25.992³ =
  26. 26.1009³ =
  27. 27.1015³ =
  28. 28.101³ =
  29. 29.104³ =
  30. 30.991³ =
  31. 31.98³ =
  32. 32.96³ =
  33. 33.95³ =
  34. 34.996³ =
  35. 35.993³ =
  36. 36.107³ =
  37. 37.99³ =
  38. 38.107³ =
  39. 39.93³ =
  40. 40.97³ =

Answer key

  1. 964430272
  2. 1012048064
  3. 952763904
  4. 753571
  5. 1021147343
  6. 884736
  7. 1124864
  8. 1061208
  9. 753571
  10. 804357
  11. 753571
  12. 991026973
  13. 753571
  14. 1092727
  15. 1124864
  16. 884736
  17. 1021147343
  18. 991026973
  19. 830584
  20. 1006012008
  21. 997002999
  22. 1024192512
  23. 976191488
  24. 973242271
  25. 976191488
  26. 1027243729
  27. 1045678375
  28. 1030301
  29. 1124864
  30. 973242271
  31. 941192
  32. 884736
  33. 857375
  34. 988047936
  35. 979146657
  36. 1225043
  37. 970299
  38. 1225043
  39. 804357
  40. 912673

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