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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 140 · 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. 1.1001³ =
  2. 2.1006³ =
  3. 3.92³ =
  4. 4.102³ =
  5. 5.95³ =
  6. 6.105³ =
  7. 7.95³ =
  8. 8.983³ =
  9. 9.1018³ =
  10. 10.104³ =
  11. 11.1013³ =
  12. 12.98³ =
  13. 13.91³ =
  14. 14.1007³ =
  15. 15.988³ =
  16. 16.986³ =
  17. 17.999³ =
  18. 18.101³ =
  19. 19.1013³ =
  20. 20.1001³ =
  21. 21.982³ =
  22. 22.101³ =
  23. 23.97³ =
  24. 24.108³ =
  25. 25.95³ =
  26. 26.97³ =
  27. 27.999³ =
  28. 28.99³ =
  29. 29.107³ =
  30. 30.997³ =
  31. 31.1010³ =
  32. 32.93³ =
  33. 33.96³ =
  34. 34.94³ =
  35. 35.95³ =
  36. 36.996³ =
  37. 37.92³ =
  38. 38.98³ =
  39. 39.1015³ =
  40. 40.91³ =

Answer key

  1. 1003003001
  2. 1018108216
  3. 778688
  4. 1061208
  5. 857375
  6. 1157625
  7. 857375
  8. 949862087
  9. 1054977832
  10. 1124864
  11. 1039509197
  12. 941192
  13. 753571
  14. 1021147343
  15. 964430272
  16. 958585256
  17. 997002999
  18. 1030301
  19. 1039509197
  20. 1003003001
  21. 946966168
  22. 1030301
  23. 912673
  24. 1259712
  25. 857375
  26. 912673
  27. 997002999
  28. 970299
  29. 1225043
  30. 991026973
  31. 1030301000
  32. 804357
  33. 884736
  34. 830584
  35. 857375
  36. 988047936
  37. 778688
  38. 941192
  39. 1045678375
  40. 753571

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