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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 163 · 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. 1.998³ =
  2. 2.99³ =
  3. 3.1011³ =
  4. 4.985³ =
  5. 5.101³ =
  6. 6.95³ =
  7. 7.92³ =
  8. 8.109³ =
  9. 9.99³ =
  10. 10.101³ =
  11. 11.101³ =
  12. 12.92³ =
  13. 13.991³ =
  14. 14.983³ =
  15. 15.1001³ =
  16. 16.102³ =
  17. 17.1020³ =
  18. 18.92³ =
  19. 19.1001³ =
  20. 20.106³ =
  21. 21.1001³ =
  22. 22.97³ =
  23. 23.93³ =
  24. 24.1011³ =
  25. 25.97³ =
  26. 26.104³ =
  27. 27.92³ =
  28. 28.107³ =
  29. 29.101³ =
  30. 30.983³ =
  31. 31.980³ =
  32. 32.103³ =
  33. 33.99³ =
  34. 34.94³ =
  35. 35.991³ =
  36. 36.106³ =
  37. 37.1016³ =
  38. 38.989³ =
  39. 39.98³ =
  40. 40.93³ =

Answer key

  1. 994011992
  2. 970299
  3. 1033364331
  4. 955671625
  5. 1030301
  6. 857375
  7. 778688
  8. 1295029
  9. 970299
  10. 1030301
  11. 1030301
  12. 778688
  13. 973242271
  14. 949862087
  15. 1003003001
  16. 1061208
  17. 1061208000
  18. 778688
  19. 1003003001
  20. 1191016
  21. 1003003001
  22. 912673
  23. 804357
  24. 1033364331
  25. 912673
  26. 1124864
  27. 778688
  28. 1225043
  29. 1030301
  30. 949862087
  31. 941192000
  32. 1092727
  33. 970299
  34. 830584
  35. 973242271
  36. 1191016
  37. 1048772096
  38. 967361669
  39. 941192
  40. 804357

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