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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 289 · 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. 1.994³ =
  2. 2.91³ =
  3. 3.97³ =
  4. 4.1019³ =
  5. 5.982³ =
  6. 6.998³ =
  7. 7.104³ =
  8. 8.1005³ =
  9. 9.105³ =
  10. 10.97³ =
  11. 11.96³ =
  12. 12.98³ =
  13. 13.107³ =
  14. 14.91³ =
  15. 15.107³ =
  16. 16.1020³ =
  17. 17.92³ =
  18. 18.1011³ =
  19. 19.1001³ =
  20. 20.91³ =
  21. 21.982³ =
  22. 22.99³ =
  23. 23.99³ =
  24. 24.103³ =
  25. 25.981³ =
  26. 26.93³ =
  27. 27.99³ =
  28. 28.1005³ =
  29. 29.101³ =
  30. 30.98³ =
  31. 31.97³ =
  32. 32.91³ =
  33. 33.1015³ =
  34. 34.108³ =
  35. 35.91³ =
  36. 36.109³ =
  37. 37.95³ =
  38. 38.103³ =
  39. 39.1002³ =
  40. 40.992³ =

Answer key

  1. 982107784
  2. 753571
  3. 912673
  4. 1058089859
  5. 946966168
  6. 994011992
  7. 1124864
  8. 1015075125
  9. 1157625
  10. 912673
  11. 884736
  12. 941192
  13. 1225043
  14. 753571
  15. 1225043
  16. 1061208000
  17. 778688
  18. 1033364331
  19. 1003003001
  20. 753571
  21. 946966168
  22. 970299
  23. 970299
  24. 1092727
  25. 944076141
  26. 804357
  27. 970299
  28. 1015075125
  29. 1030301
  30. 941192
  31. 912673
  32. 753571
  33. 1045678375
  34. 1259712
  35. 753571
  36. 1295029
  37. 857375
  38. 1092727
  39. 1006012008
  40. 976191488

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