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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 19 · 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. 1.103³ =
  2. 2.107³ =
  3. 3.991³ =
  4. 4.982³ =
  5. 5.98³ =
  6. 6.95³ =
  7. 7.1013³ =
  8. 8.95³ =
  9. 9.992³ =
  10. 10.988³ =
  11. 11.101³ =
  12. 12.1017³ =
  13. 13.1006³ =
  14. 14.1012³ =
  15. 15.107³ =
  16. 16.1008³ =
  17. 17.109³ =
  18. 18.99³ =
  19. 19.995³ =
  20. 20.1008³ =
  21. 21.109³ =
  22. 22.92³ =
  23. 23.984³ =
  24. 24.103³ =
  25. 25.101³ =
  26. 26.103³ =
  27. 27.91³ =
  28. 28.982³ =
  29. 29.998³ =
  30. 30.989³ =
  31. 31.1001³ =
  32. 32.102³ =
  33. 33.106³ =
  34. 34.1015³ =
  35. 35.94³ =
  36. 36.983³ =
  37. 37.104³ =
  38. 38.97³ =
  39. 39.104³ =
  40. 40.1004³ =

Answer key

  1. 1092727
  2. 1225043
  3. 973242271
  4. 946966168
  5. 941192
  6. 857375
  7. 1039509197
  8. 857375
  9. 976191488
  10. 964430272
  11. 1030301
  12. 1051871913
  13. 1018108216
  14. 1036433728
  15. 1225043
  16. 1024192512
  17. 1295029
  18. 970299
  19. 985074875
  20. 1024192512
  21. 1295029
  22. 778688
  23. 952763904
  24. 1092727
  25. 1030301
  26. 1092727
  27. 753571
  28. 946966168
  29. 994011992
  30. 967361669
  31. 1003003001
  32. 1061208
  33. 1191016
  34. 1045678375
  35. 830584
  36. 949862087
  37. 1124864
  38. 912673
  39. 1124864
  40. 1012048064

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