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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 116 · 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. 1.997³ =
  2. 2.104³ =
  3. 3.984³ =
  4. 4.108³ =
  5. 5.995³ =
  6. 6.998³ =
  7. 7.95³ =
  8. 8.99³ =
  9. 9.1010³ =
  10. 10.994³ =
  11. 11.996³ =
  12. 12.101³ =
  13. 13.1007³ =
  14. 14.91³ =
  15. 15.99³ =
  16. 16.1020³ =
  17. 17.108³ =
  18. 18.106³ =
  19. 19.982³ =
  20. 20.96³ =
  21. 21.104³ =
  22. 22.1008³ =
  23. 23.109³ =
  24. 24.106³ =
  25. 25.106³ =
  26. 26.105³ =
  27. 27.995³ =
  28. 28.102³ =
  29. 29.97³ =
  30. 30.995³ =
  31. 31.1010³ =
  32. 32.109³ =
  33. 33.108³ =
  34. 34.994³ =
  35. 35.1013³ =
  36. 36.1002³ =
  37. 37.1001³ =
  38. 38.101³ =
  39. 39.95³ =
  40. 40.994³ =

Answer key

  1. 991026973
  2. 1124864
  3. 952763904
  4. 1259712
  5. 985074875
  6. 994011992
  7. 857375
  8. 970299
  9. 1030301000
  10. 982107784
  11. 988047936
  12. 1030301
  13. 1021147343
  14. 753571
  15. 970299
  16. 1061208000
  17. 1259712
  18. 1191016
  19. 946966168
  20. 884736
  21. 1124864
  22. 1024192512
  23. 1295029
  24. 1191016
  25. 1191016
  26. 1157625
  27. 985074875
  28. 1061208
  29. 912673
  30. 985074875
  31. 1030301000
  32. 1295029
  33. 1259712
  34. 982107784
  35. 1039509197
  36. 1006012008
  37. 1003003001
  38. 1030301
  39. 857375
  40. 982107784

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