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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 914 · 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. 1.1018³ =
  2. 2.991³ =
  3. 3.993³ =
  4. 4.95³ =
  5. 5.109³ =
  6. 6.1003³ =
  7. 7.102³ =
  8. 8.997³ =
  9. 9.97³ =
  10. 10.103³ =
  11. 11.109³ =
  12. 12.96³ =
  13. 13.1020³ =
  14. 14.109³ =
  15. 15.101³ =
  16. 16.92³ =
  17. 17.99³ =
  18. 18.108³ =
  19. 19.97³ =
  20. 20.99³ =
  21. 21.105³ =
  22. 22.98³ =
  23. 23.996³ =
  24. 24.105³ =
  25. 25.104³ =
  26. 26.982³ =
  27. 27.995³ =
  28. 28.1005³ =
  29. 29.987³ =
  30. 30.96³ =
  31. 31.1005³ =
  32. 32.990³ =
  33. 33.104³ =
  34. 34.1014³ =
  35. 35.98³ =
  36. 36.101³ =
  37. 37.97³ =
  38. 38.96³ =
  39. 39.994³ =
  40. 40.1002³ =

Answer key

  1. 1054977832
  2. 973242271
  3. 979146657
  4. 857375
  5. 1295029
  6. 1009027027
  7. 1061208
  8. 991026973
  9. 912673
  10. 1092727
  11. 1295029
  12. 884736
  13. 1061208000
  14. 1295029
  15. 1030301
  16. 778688
  17. 970299
  18. 1259712
  19. 912673
  20. 970299
  21. 1157625
  22. 941192
  23. 988047936
  24. 1157625
  25. 1124864
  26. 946966168
  27. 985074875
  28. 1015075125
  29. 961504803
  30. 884736
  31. 1015075125
  32. 970299000
  33. 1124864
  34. 1042590744
  35. 941192
  36. 1030301
  37. 912673
  38. 884736
  39. 982107784
  40. 1006012008

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