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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 87 · 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. 1.99³ =
  2. 2.994³ =
  3. 3.98³ =
  4. 4.1005³ =
  5. 5.96³ =
  6. 6.102³ =
  7. 7.104³ =
  8. 8.997³ =
  9. 9.106³ =
  10. 10.95³ =
  11. 11.102³ =
  12. 12.92³ =
  13. 13.102³ =
  14. 14.108³ =
  15. 15.103³ =
  16. 16.108³ =
  17. 17.998³ =
  18. 18.94³ =
  19. 19.1009³ =
  20. 20.994³ =
  21. 21.103³ =
  22. 22.102³ =
  23. 23.102³ =
  24. 24.995³ =
  25. 25.108³ =
  26. 26.1003³ =
  27. 27.1019³ =
  28. 28.102³ =
  29. 29.91³ =
  30. 30.93³ =
  31. 31.93³ =
  32. 32.109³ =
  33. 33.104³ =
  34. 34.105³ =
  35. 35.99³ =
  36. 36.986³ =
  37. 37.1002³ =
  38. 38.1011³ =
  39. 39.993³ =
  40. 40.980³ =

Answer key

  1. 970299
  2. 982107784
  3. 941192
  4. 1015075125
  5. 884736
  6. 1061208
  7. 1124864
  8. 991026973
  9. 1191016
  10. 857375
  11. 1061208
  12. 778688
  13. 1061208
  14. 1259712
  15. 1092727
  16. 1259712
  17. 994011992
  18. 830584
  19. 1027243729
  20. 982107784
  21. 1092727
  22. 1061208
  23. 1061208
  24. 985074875
  25. 1259712
  26. 1009027027
  27. 1058089859
  28. 1061208
  29. 753571
  30. 804357
  31. 804357
  32. 1295029
  33. 1124864
  34. 1157625
  35. 970299
  36. 958585256
  37. 1006012008
  38. 1033364331
  39. 979146657
  40. 941192000

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