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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 458 · 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. 1.107³ =
  2. 2.92³ =
  3. 3.1010³ =
  4. 4.99³ =
  5. 5.107³ =
  6. 6.1017³ =
  7. 7.96³ =
  8. 8.99³ =
  9. 9.988³ =
  10. 10.980³ =
  11. 11.96³ =
  12. 12.980³ =
  13. 13.1013³ =
  14. 14.95³ =
  15. 15.1010³ =
  16. 16.109³ =
  17. 17.104³ =
  18. 18.105³ =
  19. 19.1003³ =
  20. 20.998³ =
  21. 21.1006³ =
  22. 22.982³ =
  23. 23.109³ =
  24. 24.96³ =
  25. 25.98³ =
  26. 26.98³ =
  27. 27.106³ =
  28. 28.104³ =
  29. 29.1003³ =
  30. 30.104³ =
  31. 31.97³ =
  32. 32.982³ =
  33. 33.1014³ =
  34. 34.102³ =
  35. 35.108³ =
  36. 36.103³ =
  37. 37.984³ =
  38. 38.104³ =
  39. 39.94³ =
  40. 40.109³ =

Answer key

  1. 1225043
  2. 778688
  3. 1030301000
  4. 970299
  5. 1225043
  6. 1051871913
  7. 884736
  8. 970299
  9. 964430272
  10. 941192000
  11. 884736
  12. 941192000
  13. 1039509197
  14. 857375
  15. 1030301000
  16. 1295029
  17. 1124864
  18. 1157625
  19. 1009027027
  20. 994011992
  21. 1018108216
  22. 946966168
  23. 1295029
  24. 884736
  25. 941192
  26. 941192
  27. 1191016
  28. 1124864
  29. 1009027027
  30. 1124864
  31. 912673
  32. 946966168
  33. 1042590744
  34. 1061208
  35. 1259712
  36. 1092727
  37. 952763904
  38. 1124864
  39. 830584
  40. 1295029

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