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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 961 · 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. 1.107³ =
  2. 2.91³ =
  3. 3.103³ =
  4. 4.95³ =
  5. 5.998³ =
  6. 6.94³ =
  7. 7.98³ =
  8. 8.1014³ =
  9. 9.1005³ =
  10. 10.91³ =
  11. 11.992³ =
  12. 12.102³ =
  13. 13.984³ =
  14. 14.986³ =
  15. 15.993³ =
  16. 16.1012³ =
  17. 17.1019³ =
  18. 18.108³ =
  19. 19.1014³ =
  20. 20.990³ =
  21. 21.996³ =
  22. 22.91³ =
  23. 23.1017³ =
  24. 24.1011³ =
  25. 25.1005³ =
  26. 26.1010³ =
  27. 27.105³ =
  28. 28.107³ =
  29. 29.94³ =
  30. 30.1009³ =
  31. 31.988³ =
  32. 32.105³ =
  33. 33.1019³ =
  34. 34.994³ =
  35. 35.1005³ =
  36. 36.981³ =
  37. 37.98³ =
  38. 38.93³ =
  39. 39.994³ =
  40. 40.1009³ =

Answer key

  1. 1225043
  2. 753571
  3. 1092727
  4. 857375
  5. 994011992
  6. 830584
  7. 941192
  8. 1042590744
  9. 1015075125
  10. 753571
  11. 976191488
  12. 1061208
  13. 952763904
  14. 958585256
  15. 979146657
  16. 1036433728
  17. 1058089859
  18. 1259712
  19. 1042590744
  20. 970299000
  21. 988047936
  22. 753571
  23. 1051871913
  24. 1033364331
  25. 1015075125
  26. 1030301000
  27. 1157625
  28. 1225043
  29. 830584
  30. 1027243729
  31. 964430272
  32. 1157625
  33. 1058089859
  34. 982107784
  35. 1015075125
  36. 944076141
  37. 941192
  38. 804357
  39. 982107784
  40. 1027243729

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