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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 236 · 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. 1.1012³ =
  2. 2.91³ =
  3. 3.1014³ =
  4. 4.96³ =
  5. 5.1002³ =
  6. 6.94³ =
  7. 7.105³ =
  8. 8.108³ =
  9. 9.106³ =
  10. 10.1003³ =
  11. 11.999³ =
  12. 12.997³ =
  13. 13.105³ =
  14. 14.102³ =
  15. 15.107³ =
  16. 16.1018³ =
  17. 17.980³ =
  18. 18.988³ =
  19. 19.980³ =
  20. 20.97³ =
  21. 21.107³ =
  22. 22.997³ =
  23. 23.989³ =
  24. 24.989³ =
  25. 25.106³ =
  26. 26.1015³ =
  27. 27.99³ =
  28. 28.996³ =
  29. 29.998³ =
  30. 30.102³ =
  31. 31.99³ =
  32. 32.103³ =
  33. 33.996³ =
  34. 34.91³ =
  35. 35.105³ =
  36. 36.990³ =
  37. 37.107³ =
  38. 38.105³ =
  39. 39.95³ =
  40. 40.994³ =

Answer key

  1. 1036433728
  2. 753571
  3. 1042590744
  4. 884736
  5. 1006012008
  6. 830584
  7. 1157625
  8. 1259712
  9. 1191016
  10. 1009027027
  11. 997002999
  12. 991026973
  13. 1157625
  14. 1061208
  15. 1225043
  16. 1054977832
  17. 941192000
  18. 964430272
  19. 941192000
  20. 912673
  21. 1225043
  22. 991026973
  23. 967361669
  24. 967361669
  25. 1191016
  26. 1045678375
  27. 970299
  28. 988047936
  29. 994011992
  30. 1061208
  31. 970299
  32. 1092727
  33. 988047936
  34. 753571
  35. 1157625
  36. 970299000
  37. 1225043
  38. 1157625
  39. 857375
  40. 982107784

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