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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 127 · 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. 1.95³ =
  2. 2.98³ =
  3. 3.992³ =
  4. 4.1017³ =
  5. 5.104³ =
  6. 6.1009³ =
  7. 7.1007³ =
  8. 8.91³ =
  9. 9.1018³ =
  10. 10.108³ =
  11. 11.986³ =
  12. 12.98³ =
  13. 13.991³ =
  14. 14.997³ =
  15. 15.94³ =
  16. 16.91³ =
  17. 17.92³ =
  18. 18.1003³ =
  19. 19.96³ =
  20. 20.103³ =
  21. 21.986³ =
  22. 22.994³ =
  23. 23.98³ =
  24. 24.989³ =
  25. 25.980³ =
  26. 26.992³ =
  27. 27.1004³ =
  28. 28.99³ =
  29. 29.101³ =
  30. 30.101³ =
  31. 31.96³ =
  32. 32.102³ =
  33. 33.108³ =
  34. 34.93³ =
  35. 35.1005³ =
  36. 36.109³ =
  37. 37.990³ =
  38. 38.95³ =
  39. 39.1019³ =
  40. 40.992³ =

Answer key

  1. 857375
  2. 941192
  3. 976191488
  4. 1051871913
  5. 1124864
  6. 1027243729
  7. 1021147343
  8. 753571
  9. 1054977832
  10. 1259712
  11. 958585256
  12. 941192
  13. 973242271
  14. 991026973
  15. 830584
  16. 753571
  17. 778688
  18. 1009027027
  19. 884736
  20. 1092727
  21. 958585256
  22. 982107784
  23. 941192
  24. 967361669
  25. 941192000
  26. 976191488
  27. 1012048064
  28. 970299
  29. 1030301
  30. 1030301
  31. 884736
  32. 1061208
  33. 1259712
  34. 804357
  35. 1015075125
  36. 1295029
  37. 970299000
  38. 857375
  39. 1058089859
  40. 976191488

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