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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 73 · 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. 1.104³ =
  2. 2.1006³ =
  3. 3.1002³ =
  4. 4.1005³ =
  5. 5.1010³ =
  6. 6.992³ =
  7. 7.1009³ =
  8. 8.1001³ =
  9. 9.990³ =
  10. 10.108³ =
  11. 11.993³ =
  12. 12.107³ =
  13. 13.1011³ =
  14. 14.94³ =
  15. 15.109³ =
  16. 16.1002³ =
  17. 17.987³ =
  18. 18.989³ =
  19. 19.988³ =
  20. 20.109³ =
  21. 21.98³ =
  22. 22.983³ =
  23. 23.1004³ =
  24. 24.105³ =
  25. 25.109³ =
  26. 26.988³ =
  27. 27.1003³ =
  28. 28.108³ =
  29. 29.102³ =
  30. 30.99³ =
  31. 31.105³ =
  32. 32.1018³ =
  33. 33.92³ =
  34. 34.988³ =
  35. 35.108³ =
  36. 36.92³ =
  37. 37.1004³ =
  38. 38.97³ =
  39. 39.99³ =
  40. 40.1019³ =

Answer key

  1. 1124864
  2. 1018108216
  3. 1006012008
  4. 1015075125
  5. 1030301000
  6. 976191488
  7. 1027243729
  8. 1003003001
  9. 970299000
  10. 1259712
  11. 979146657
  12. 1225043
  13. 1033364331
  14. 830584
  15. 1295029
  16. 1006012008
  17. 961504803
  18. 967361669
  19. 964430272
  20. 1295029
  21. 941192
  22. 949862087
  23. 1012048064
  24. 1157625
  25. 1295029
  26. 964430272
  27. 1009027027
  28. 1259712
  29. 1061208
  30. 970299
  31. 1157625
  32. 1054977832
  33. 778688
  34. 964430272
  35. 1259712
  36. 778688
  37. 1012048064
  38. 912673
  39. 970299
  40. 1058089859

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