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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 111 · 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. 1.105³ =
  2. 2.106³ =
  3. 3.107³ =
  4. 4.981³ =
  5. 5.983³ =
  6. 6.102³ =
  7. 7.1017³ =
  8. 8.96³ =
  9. 9.103³ =
  10. 10.1004³ =
  11. 11.1013³ =
  12. 12.93³ =
  13. 13.102³ =
  14. 14.102³ =
  15. 15.107³ =
  16. 16.990³ =
  17. 17.96³ =
  18. 18.998³ =
  19. 19.97³ =
  20. 20.106³ =
  21. 21.94³ =
  22. 22.992³ =
  23. 23.96³ =
  24. 24.95³ =
  25. 25.105³ =
  26. 26.108³ =
  27. 27.1014³ =
  28. 28.99³ =
  29. 29.91³ =
  30. 30.93³ =
  31. 31.102³ =
  32. 32.93³ =
  33. 33.98³ =
  34. 34.1017³ =
  35. 35.988³ =
  36. 36.99³ =
  37. 37.94³ =
  38. 38.1020³ =
  39. 39.97³ =
  40. 40.1013³ =

Answer key

  1. 1157625
  2. 1191016
  3. 1225043
  4. 944076141
  5. 949862087
  6. 1061208
  7. 1051871913
  8. 884736
  9. 1092727
  10. 1012048064
  11. 1039509197
  12. 804357
  13. 1061208
  14. 1061208
  15. 1225043
  16. 970299000
  17. 884736
  18. 994011992
  19. 912673
  20. 1191016
  21. 830584
  22. 976191488
  23. 884736
  24. 857375
  25. 1157625
  26. 1259712
  27. 1042590744
  28. 970299
  29. 753571
  30. 804357
  31. 1061208
  32. 804357
  33. 941192
  34. 1051871913
  35. 964430272
  36. 970299
  37. 830584
  38. 1061208000
  39. 912673
  40. 1039509197

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