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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 716 · 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. 1.983³ =
  2. 2.98³ =
  3. 3.98³ =
  4. 4.104³ =
  5. 5.103³ =
  6. 6.1001³ =
  7. 7.1003³ =
  8. 8.99³ =
  9. 9.983³ =
  10. 10.996³ =
  11. 11.995³ =
  12. 12.105³ =
  13. 13.105³ =
  14. 14.990³ =
  15. 15.1017³ =
  16. 16.105³ =
  17. 17.97³ =
  18. 18.1010³ =
  19. 19.106³ =
  20. 20.986³ =
  21. 21.1016³ =
  22. 22.1001³ =
  23. 23.986³ =
  24. 24.998³ =
  25. 25.109³ =
  26. 26.107³ =
  27. 27.95³ =
  28. 28.987³ =
  29. 29.92³ =
  30. 30.101³ =
  31. 31.982³ =
  32. 32.1001³ =
  33. 33.104³ =
  34. 34.98³ =
  35. 35.102³ =
  36. 36.98³ =
  37. 37.91³ =
  38. 38.106³ =
  39. 39.989³ =
  40. 40.1004³ =

Answer key

  1. 949862087
  2. 941192
  3. 941192
  4. 1124864
  5. 1092727
  6. 1003003001
  7. 1009027027
  8. 970299
  9. 949862087
  10. 988047936
  11. 985074875
  12. 1157625
  13. 1157625
  14. 970299000
  15. 1051871913
  16. 1157625
  17. 912673
  18. 1030301000
  19. 1191016
  20. 958585256
  21. 1048772096
  22. 1003003001
  23. 958585256
  24. 994011992
  25. 1295029
  26. 1225043
  27. 857375
  28. 961504803
  29. 778688
  30. 1030301
  31. 946966168
  32. 1003003001
  33. 1124864
  34. 941192
  35. 1061208
  36. 941192
  37. 753571
  38. 1191016
  39. 967361669
  40. 1012048064

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