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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 77 · 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. 1.986³ =
  2. 2.92³ =
  3. 3.988³ =
  4. 4.1018³ =
  5. 5.102³ =
  6. 6.997³ =
  7. 7.98³ =
  8. 8.98³ =
  9. 9.99³ =
  10. 10.103³ =
  11. 11.104³ =
  12. 12.96³ =
  13. 13.999³ =
  14. 14.986³ =
  15. 15.985³ =
  16. 16.94³ =
  17. 17.95³ =
  18. 18.105³ =
  19. 19.102³ =
  20. 20.99³ =
  21. 21.93³ =
  22. 22.1010³ =
  23. 23.95³ =
  24. 24.1012³ =
  25. 25.95³ =
  26. 26.98³ =
  27. 27.93³ =
  28. 28.101³ =
  29. 29.997³ =
  30. 30.994³ =
  31. 31.1020³ =
  32. 32.996³ =
  33. 33.101³ =
  34. 34.1005³ =
  35. 35.1002³ =
  36. 36.95³ =
  37. 37.96³ =
  38. 38.98³ =
  39. 39.995³ =
  40. 40.102³ =

Answer key

  1. 958585256
  2. 778688
  3. 964430272
  4. 1054977832
  5. 1061208
  6. 991026973
  7. 941192
  8. 941192
  9. 970299
  10. 1092727
  11. 1124864
  12. 884736
  13. 997002999
  14. 958585256
  15. 955671625
  16. 830584
  17. 857375
  18. 1157625
  19. 1061208
  20. 970299
  21. 804357
  22. 1030301000
  23. 857375
  24. 1036433728
  25. 857375
  26. 941192
  27. 804357
  28. 1030301
  29. 991026973
  30. 982107784
  31. 1061208000
  32. 988047936
  33. 1030301
  34. 1015075125
  35. 1006012008
  36. 857375
  37. 884736
  38. 941192
  39. 985074875
  40. 1061208

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