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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 993 · 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. 1.102³ =
  2. 2.1003³ =
  3. 3.999³ =
  4. 4.106³ =
  5. 5.99³ =
  6. 6.106³ =
  7. 7.998³ =
  8. 8.998³ =
  9. 9.95³ =
  10. 10.982³ =
  11. 11.95³ =
  12. 12.105³ =
  13. 13.994³ =
  14. 14.104³ =
  15. 15.1009³ =
  16. 16.97³ =
  17. 17.1020³ =
  18. 18.97³ =
  19. 19.102³ =
  20. 20.103³ =
  21. 21.984³ =
  22. 22.98³ =
  23. 23.996³ =
  24. 24.1019³ =
  25. 25.987³ =
  26. 26.96³ =
  27. 27.96³ =
  28. 28.106³ =
  29. 29.980³ =
  30. 30.1005³ =
  31. 31.106³ =
  32. 32.95³ =
  33. 33.989³ =
  34. 34.985³ =
  35. 35.95³ =
  36. 36.97³ =
  37. 37.1017³ =
  38. 38.993³ =
  39. 39.102³ =
  40. 40.104³ =

Answer key

  1. 1061208
  2. 1009027027
  3. 997002999
  4. 1191016
  5. 970299
  6. 1191016
  7. 994011992
  8. 994011992
  9. 857375
  10. 946966168
  11. 857375
  12. 1157625
  13. 982107784
  14. 1124864
  15. 1027243729
  16. 912673
  17. 1061208000
  18. 912673
  19. 1061208
  20. 1092727
  21. 952763904
  22. 941192
  23. 988047936
  24. 1058089859
  25. 961504803
  26. 884736
  27. 884736
  28. 1191016
  29. 941192000
  30. 1015075125
  31. 1191016
  32. 857375
  33. 967361669
  34. 955671625
  35. 857375
  36. 912673
  37. 1051871913
  38. 979146657
  39. 1061208
  40. 1124864

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