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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 924 · 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. 2.1008³ =
  3. 3.106³ =
  4. 4.93³ =
  5. 5.983³ =
  6. 6.97³ =
  7. 7.93³ =
  8. 8.96³ =
  9. 9.99³ =
  10. 10.92³ =
  11. 11.991³ =
  12. 12.991³ =
  13. 13.107³ =
  14. 14.95³ =
  15. 15.999³ =
  16. 16.1019³ =
  17. 17.94³ =
  18. 18.985³ =
  19. 19.981³ =
  20. 20.984³ =
  21. 21.95³ =
  22. 22.1007³ =
  23. 23.107³ =
  24. 24.106³ =
  25. 25.993³ =
  26. 26.92³ =
  27. 27.1015³ =
  28. 28.94³ =
  29. 29.989³ =
  30. 30.109³ =
  31. 31.1002³ =
  32. 32.92³ =
  33. 33.1007³ =
  34. 34.1005³ =
  35. 35.95³ =
  36. 36.104³ =
  37. 37.103³ =
  38. 38.983³ =
  39. 39.96³ =
  40. 40.1007³ =

Answer key

  1. 970299
  2. 1024192512
  3. 1191016
  4. 804357
  5. 949862087
  6. 912673
  7. 804357
  8. 884736
  9. 970299
  10. 778688
  11. 973242271
  12. 973242271
  13. 1225043
  14. 857375
  15. 997002999
  16. 1058089859
  17. 830584
  18. 955671625
  19. 944076141
  20. 952763904
  21. 857375
  22. 1021147343
  23. 1225043
  24. 1191016
  25. 979146657
  26. 778688
  27. 1045678375
  28. 830584
  29. 967361669
  30. 1295029
  31. 1006012008
  32. 778688
  33. 1021147343
  34. 1015075125
  35. 857375
  36. 1124864
  37. 1092727
  38. 949862087
  39. 884736
  40. 1021147343

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