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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 928 · 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. 1.1018³ =
  2. 2.991³ =
  3. 3.982³ =
  4. 4.95³ =
  5. 5.92³ =
  6. 6.103³ =
  7. 7.93³ =
  8. 8.994³ =
  9. 9.982³ =
  10. 10.1015³ =
  11. 11.986³ =
  12. 12.92³ =
  13. 13.1005³ =
  14. 14.1016³ =
  15. 15.1018³ =
  16. 16.92³ =
  17. 17.92³ =
  18. 18.108³ =
  19. 19.109³ =
  20. 20.996³ =
  21. 21.97³ =
  22. 22.107³ =
  23. 23.106³ =
  24. 24.108³ =
  25. 25.99³ =
  26. 26.92³ =
  27. 27.97³ =
  28. 28.101³ =
  29. 29.981³ =
  30. 30.102³ =
  31. 31.982³ =
  32. 32.102³ =
  33. 33.1014³ =
  34. 34.96³ =
  35. 35.91³ =
  36. 36.1009³ =
  37. 37.104³ =
  38. 38.92³ =
  39. 39.1016³ =
  40. 40.1010³ =

Answer key

  1. 1054977832
  2. 973242271
  3. 946966168
  4. 857375
  5. 778688
  6. 1092727
  7. 804357
  8. 982107784
  9. 946966168
  10. 1045678375
  11. 958585256
  12. 778688
  13. 1015075125
  14. 1048772096
  15. 1054977832
  16. 778688
  17. 778688
  18. 1259712
  19. 1295029
  20. 988047936
  21. 912673
  22. 1225043
  23. 1191016
  24. 1259712
  25. 970299
  26. 778688
  27. 912673
  28. 1030301
  29. 944076141
  30. 1061208
  31. 946966168
  32. 1061208
  33. 1042590744
  34. 884736
  35. 753571
  36. 1027243729
  37. 1124864
  38. 778688
  39. 1048772096
  40. 1030301000

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