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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 729 · 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. 1.94³ =
  2. 2.1017³ =
  3. 3.1003³ =
  4. 4.108³ =
  5. 5.984³ =
  6. 6.96³ =
  7. 7.1009³ =
  8. 8.104³ =
  9. 9.1004³ =
  10. 10.991³ =
  11. 11.981³ =
  12. 12.106³ =
  13. 13.92³ =
  14. 14.92³ =
  15. 15.108³ =
  16. 16.106³ =
  17. 17.94³ =
  18. 18.104³ =
  19. 19.987³ =
  20. 20.96³ =
  21. 21.1007³ =
  22. 22.982³ =
  23. 23.94³ =
  24. 24.103³ =
  25. 25.96³ =
  26. 26.1004³ =
  27. 27.1003³ =
  28. 28.1018³ =
  29. 29.1007³ =
  30. 30.109³ =
  31. 31.99³ =
  32. 32.1003³ =
  33. 33.983³ =
  34. 34.1012³ =
  35. 35.1014³ =
  36. 36.102³ =
  37. 37.1001³ =
  38. 38.101³ =
  39. 39.103³ =
  40. 40.109³ =

Answer key

  1. 830584
  2. 1051871913
  3. 1009027027
  4. 1259712
  5. 952763904
  6. 884736
  7. 1027243729
  8. 1124864
  9. 1012048064
  10. 973242271
  11. 944076141
  12. 1191016
  13. 778688
  14. 778688
  15. 1259712
  16. 1191016
  17. 830584
  18. 1124864
  19. 961504803
  20. 884736
  21. 1021147343
  22. 946966168
  23. 830584
  24. 1092727
  25. 884736
  26. 1012048064
  27. 1009027027
  28. 1054977832
  29. 1021147343
  30. 1295029
  31. 970299
  32. 1009027027
  33. 949862087
  34. 1036433728
  35. 1042590744
  36. 1061208
  37. 1003003001
  38. 1030301
  39. 1092727
  40. 1295029

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