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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 938 · 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. 1.95³ =
  2. 2.99³ =
  3. 3.1002³ =
  4. 4.993³ =
  5. 5.95³ =
  6. 6.92³ =
  7. 7.998³ =
  8. 8.108³ =
  9. 9.92³ =
  10. 10.103³ =
  11. 11.99³ =
  12. 12.107³ =
  13. 13.1008³ =
  14. 14.1003³ =
  15. 15.997³ =
  16. 16.95³ =
  17. 17.1016³ =
  18. 18.993³ =
  19. 19.94³ =
  20. 20.108³ =
  21. 21.103³ =
  22. 22.101³ =
  23. 23.101³ =
  24. 24.95³ =
  25. 25.107³ =
  26. 26.1018³ =
  27. 27.980³ =
  28. 28.97³ =
  29. 29.107³ =
  30. 30.1010³ =
  31. 31.98³ =
  32. 32.102³ =
  33. 33.94³ =
  34. 34.104³ =
  35. 35.105³ =
  36. 36.998³ =
  37. 37.109³ =
  38. 38.107³ =
  39. 39.96³ =
  40. 40.988³ =

Answer key

  1. 857375
  2. 970299
  3. 1006012008
  4. 979146657
  5. 857375
  6. 778688
  7. 994011992
  8. 1259712
  9. 778688
  10. 1092727
  11. 970299
  12. 1225043
  13. 1024192512
  14. 1009027027
  15. 991026973
  16. 857375
  17. 1048772096
  18. 979146657
  19. 830584
  20. 1259712
  21. 1092727
  22. 1030301
  23. 1030301
  24. 857375
  25. 1225043
  26. 1054977832
  27. 941192000
  28. 912673
  29. 1225043
  30. 1030301000
  31. 941192
  32. 1061208
  33. 830584
  34. 1124864
  35. 1157625
  36. 994011992
  37. 1295029
  38. 1225043
  39. 884736
  40. 964430272

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