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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 967 · 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. 1.1001³ =
  2. 2.105³ =
  3. 3.995³ =
  4. 4.95³ =
  5. 5.996³ =
  6. 6.101³ =
  7. 7.103³ =
  8. 8.994³ =
  9. 9.1010³ =
  10. 10.107³ =
  11. 11.996³ =
  12. 12.996³ =
  13. 13.1020³ =
  14. 14.993³ =
  15. 15.1016³ =
  16. 16.102³ =
  17. 17.97³ =
  18. 18.99³ =
  19. 19.103³ =
  20. 20.97³ =
  21. 21.103³ =
  22. 22.97³ =
  23. 23.109³ =
  24. 24.92³ =
  25. 25.1015³ =
  26. 26.108³ =
  27. 27.95³ =
  28. 28.102³ =
  29. 29.107³ =
  30. 30.984³ =
  31. 31.95³ =
  32. 32.107³ =
  33. 33.1008³ =
  34. 34.91³ =
  35. 35.98³ =
  36. 36.108³ =
  37. 37.96³ =
  38. 38.1006³ =
  39. 39.101³ =
  40. 40.996³ =

Answer key

  1. 1003003001
  2. 1157625
  3. 985074875
  4. 857375
  5. 988047936
  6. 1030301
  7. 1092727
  8. 982107784
  9. 1030301000
  10. 1225043
  11. 988047936
  12. 988047936
  13. 1061208000
  14. 979146657
  15. 1048772096
  16. 1061208
  17. 912673
  18. 970299
  19. 1092727
  20. 912673
  21. 1092727
  22. 912673
  23. 1295029
  24. 778688
  25. 1045678375
  26. 1259712
  27. 857375
  28. 1061208
  29. 1225043
  30. 952763904
  31. 857375
  32. 1225043
  33. 1024192512
  34. 753571
  35. 941192
  36. 1259712
  37. 884736
  38. 1018108216
  39. 1030301
  40. 988047936

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