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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 386 · 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. 1.109³ =
  2. 2.1014³ =
  3. 3.985³ =
  4. 4.108³ =
  5. 5.107³ =
  6. 6.105³ =
  7. 7.108³ =
  8. 8.989³ =
  9. 9.990³ =
  10. 10.96³ =
  11. 11.982³ =
  12. 12.94³ =
  13. 13.96³ =
  14. 14.92³ =
  15. 15.999³ =
  16. 16.101³ =
  17. 17.980³ =
  18. 18.108³ =
  19. 19.108³ =
  20. 20.997³ =
  21. 21.95³ =
  22. 22.995³ =
  23. 23.1019³ =
  24. 24.108³ =
  25. 25.106³ =
  26. 26.985³ =
  27. 27.94³ =
  28. 28.1002³ =
  29. 29.95³ =
  30. 30.107³ =
  31. 31.107³ =
  32. 32.1001³ =
  33. 33.983³ =
  34. 34.98³ =
  35. 35.994³ =
  36. 36.1019³ =
  37. 37.982³ =
  38. 38.1010³ =
  39. 39.981³ =
  40. 40.99³ =

Answer key

  1. 1295029
  2. 1042590744
  3. 955671625
  4. 1259712
  5. 1225043
  6. 1157625
  7. 1259712
  8. 967361669
  9. 970299000
  10. 884736
  11. 946966168
  12. 830584
  13. 884736
  14. 778688
  15. 997002999
  16. 1030301
  17. 941192000
  18. 1259712
  19. 1259712
  20. 991026973
  21. 857375
  22. 985074875
  23. 1058089859
  24. 1259712
  25. 1191016
  26. 955671625
  27. 830584
  28. 1006012008
  29. 857375
  30. 1225043
  31. 1225043
  32. 1003003001
  33. 949862087
  34. 941192
  35. 982107784
  36. 1058089859
  37. 946966168
  38. 1030301000
  39. 944076141
  40. 970299

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