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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 436 · 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. 1.92³ =
  2. 2.988³ =
  3. 3.983³ =
  4. 4.1017³ =
  5. 5.103³ =
  6. 6.107³ =
  7. 7.982³ =
  8. 8.1008³ =
  9. 9.1001³ =
  10. 10.986³ =
  11. 11.1004³ =
  12. 12.999³ =
  13. 13.109³ =
  14. 14.105³ =
  15. 15.105³ =
  16. 16.1001³ =
  17. 17.984³ =
  18. 18.92³ =
  19. 19.102³ =
  20. 20.1020³ =
  21. 21.101³ =
  22. 22.92³ =
  23. 23.106³ =
  24. 24.96³ =
  25. 25.985³ =
  26. 26.98³ =
  27. 27.105³ =
  28. 28.109³ =
  29. 29.102³ =
  30. 30.985³ =
  31. 31.985³ =
  32. 32.91³ =
  33. 33.109³ =
  34. 34.95³ =
  35. 35.107³ =
  36. 36.1007³ =
  37. 37.95³ =
  38. 38.97³ =
  39. 39.994³ =
  40. 40.1001³ =

Answer key

  1. 778688
  2. 964430272
  3. 949862087
  4. 1051871913
  5. 1092727
  6. 1225043
  7. 946966168
  8. 1024192512
  9. 1003003001
  10. 958585256
  11. 1012048064
  12. 997002999
  13. 1295029
  14. 1157625
  15. 1157625
  16. 1003003001
  17. 952763904
  18. 778688
  19. 1061208
  20. 1061208000
  21. 1030301
  22. 778688
  23. 1191016
  24. 884736
  25. 955671625
  26. 941192
  27. 1157625
  28. 1295029
  29. 1061208
  30. 955671625
  31. 955671625
  32. 753571
  33. 1295029
  34. 857375
  35. 1225043
  36. 1021147343
  37. 857375
  38. 912673
  39. 982107784
  40. 1003003001

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