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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 514 · 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. 1.101³ =
  2. 2.982³ =
  3. 3.985³ =
  4. 4.1008³ =
  5. 5.94³ =
  6. 6.1009³ =
  7. 7.98³ =
  8. 8.1020³ =
  9. 9.92³ =
  10. 10.95³ =
  11. 11.91³ =
  12. 12.92³ =
  13. 13.102³ =
  14. 14.986³ =
  15. 15.999³ =
  16. 16.107³ =
  17. 17.106³ =
  18. 18.92³ =
  19. 19.103³ =
  20. 20.980³ =
  21. 21.1018³ =
  22. 22.997³ =
  23. 23.99³ =
  24. 24.91³ =
  25. 25.106³ =
  26. 26.96³ =
  27. 27.102³ =
  28. 28.990³ =
  29. 29.999³ =
  30. 30.991³ =
  31. 31.996³ =
  32. 32.104³ =
  33. 33.91³ =
  34. 34.998³ =
  35. 35.1002³ =
  36. 36.97³ =
  37. 37.997³ =
  38. 38.102³ =
  39. 39.1005³ =
  40. 40.1002³ =

Answer key

  1. 1030301
  2. 946966168
  3. 955671625
  4. 1024192512
  5. 830584
  6. 1027243729
  7. 941192
  8. 1061208000
  9. 778688
  10. 857375
  11. 753571
  12. 778688
  13. 1061208
  14. 958585256
  15. 997002999
  16. 1225043
  17. 1191016
  18. 778688
  19. 1092727
  20. 941192000
  21. 1054977832
  22. 991026973
  23. 970299
  24. 753571
  25. 1191016
  26. 884736
  27. 1061208
  28. 970299000
  29. 997002999
  30. 973242271
  31. 988047936
  32. 1124864
  33. 753571
  34. 994011992
  35. 1006012008
  36. 912673
  37. 991026973
  38. 1061208
  39. 1015075125
  40. 1006012008

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