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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 873 · 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. 2.1007³ =
  3. 3.993³ =
  4. 4.107³ =
  5. 5.93³ =
  6. 6.986³ =
  7. 7.106³ =
  8. 8.96³ =
  9. 9.1017³ =
  10. 10.102³ =
  11. 11.109³ =
  12. 12.94³ =
  13. 13.999³ =
  14. 14.94³ =
  15. 15.105³ =
  16. 16.105³ =
  17. 17.99³ =
  18. 18.1020³ =
  19. 19.988³ =
  20. 20.98³ =
  21. 21.107³ =
  22. 22.102³ =
  23. 23.96³ =
  24. 24.92³ =
  25. 25.984³ =
  26. 26.1014³ =
  27. 27.108³ =
  28. 28.95³ =
  29. 29.93³ =
  30. 30.91³ =
  31. 31.102³ =
  32. 32.104³ =
  33. 33.101³ =
  34. 34.97³ =
  35. 35.990³ =
  36. 36.106³ =
  37. 37.102³ =
  38. 38.988³ =
  39. 39.95³ =
  40. 40.991³ =

Answer key

  1. 1021147343
  2. 1021147343
  3. 979146657
  4. 1225043
  5. 804357
  6. 958585256
  7. 1191016
  8. 884736
  9. 1051871913
  10. 1061208
  11. 1295029
  12. 830584
  13. 997002999
  14. 830584
  15. 1157625
  16. 1157625
  17. 970299
  18. 1061208000
  19. 964430272
  20. 941192
  21. 1225043
  22. 1061208
  23. 884736
  24. 778688
  25. 952763904
  26. 1042590744
  27. 1259712
  28. 857375
  29. 804357
  30. 753571
  31. 1061208
  32. 1124864
  33. 1030301
  34. 912673
  35. 970299000
  36. 1191016
  37. 1061208
  38. 964430272
  39. 857375
  40. 973242271

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