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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 195 · 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. 1.1005³ =
  2. 2.96³ =
  3. 3.993³ =
  4. 4.98³ =
  5. 5.993³ =
  6. 6.1001³ =
  7. 7.95³ =
  8. 8.107³ =
  9. 9.999³ =
  10. 10.96³ =
  11. 11.983³ =
  12. 12.1014³ =
  13. 13.106³ =
  14. 14.1005³ =
  15. 15.1015³ =
  16. 16.104³ =
  17. 17.980³ =
  18. 18.93³ =
  19. 19.99³ =
  20. 20.93³ =
  21. 21.106³ =
  22. 22.984³ =
  23. 23.99³ =
  24. 24.104³ =
  25. 25.1014³ =
  26. 26.108³ =
  27. 27.1019³ =
  28. 28.997³ =
  29. 29.1015³ =
  30. 30.109³ =
  31. 31.99³ =
  32. 32.105³ =
  33. 33.95³ =
  34. 34.101³ =
  35. 35.995³ =
  36. 36.94³ =
  37. 37.93³ =
  38. 38.109³ =
  39. 39.1007³ =
  40. 40.1017³ =

Answer key

  1. 1015075125
  2. 884736
  3. 979146657
  4. 941192
  5. 979146657
  6. 1003003001
  7. 857375
  8. 1225043
  9. 997002999
  10. 884736
  11. 949862087
  12. 1042590744
  13. 1191016
  14. 1015075125
  15. 1045678375
  16. 1124864
  17. 941192000
  18. 804357
  19. 970299
  20. 804357
  21. 1191016
  22. 952763904
  23. 970299
  24. 1124864
  25. 1042590744
  26. 1259712
  27. 1058089859
  28. 991026973
  29. 1045678375
  30. 1295029
  31. 970299
  32. 1157625
  33. 857375
  34. 1030301
  35. 985074875
  36. 830584
  37. 804357
  38. 1295029
  39. 1021147343
  40. 1051871913

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