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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 699 · 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. 1.1007³ =
  2. 2.107³ =
  3. 3.95³ =
  4. 4.985³ =
  5. 5.1014³ =
  6. 6.1008³ =
  7. 7.109³ =
  8. 8.95³ =
  9. 9.1003³ =
  10. 10.988³ =
  11. 11.982³ =
  12. 12.983³ =
  13. 13.1004³ =
  14. 14.994³ =
  15. 15.996³ =
  16. 16.92³ =
  17. 17.95³ =
  18. 18.95³ =
  19. 19.98³ =
  20. 20.103³ =
  21. 21.1001³ =
  22. 22.95³ =
  23. 23.1006³ =
  24. 24.989³ =
  25. 25.108³ =
  26. 26.106³ =
  27. 27.106³ =
  28. 28.999³ =
  29. 29.1001³ =
  30. 30.1015³ =
  31. 31.983³ =
  32. 32.97³ =
  33. 33.101³ =
  34. 34.1010³ =
  35. 35.102³ =
  36. 36.103³ =
  37. 37.1005³ =
  38. 38.104³ =
  39. 39.1010³ =
  40. 40.992³ =

Answer key

  1. 1021147343
  2. 1225043
  3. 857375
  4. 955671625
  5. 1042590744
  6. 1024192512
  7. 1295029
  8. 857375
  9. 1009027027
  10. 964430272
  11. 946966168
  12. 949862087
  13. 1012048064
  14. 982107784
  15. 988047936
  16. 778688
  17. 857375
  18. 857375
  19. 941192
  20. 1092727
  21. 1003003001
  22. 857375
  23. 1018108216
  24. 967361669
  25. 1259712
  26. 1191016
  27. 1191016
  28. 997002999
  29. 1003003001
  30. 1045678375
  31. 949862087
  32. 912673
  33. 1030301
  34. 1030301000
  35. 1061208
  36. 1092727
  37. 1015075125
  38. 1124864
  39. 1030301000
  40. 976191488

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