POSSIBLE CALCULATIONS BY QM

DONE MENTALLY in 5 to 10 Seconds

  1. 47 x 3 = 141
  2. 87 x 6 = 522
  3. 43 x 11 = 473
  4. 4273 x 11 = 47003
  5. 824 x 5 = 4120
  6. 473 x 5 = 2365
  7. 31 x 22 = 682
  8. 25 x 73 = 1825
  9. 322 = 1024
  10. 32 x 33 = 1056
  11. 872 = 7569
  12. 2372 = 56169
  13. 21542 = 4639716
  14. 872 = 7569
  15. 213 = 9261
  16. 323 = 32768
  17. Sq rt of 784 = 28
  18. 29 x 30 x 31 = 26970
  19. Cube root of 13824 = 24
  20. 12 (1/2)% of 840 is 105
  21. 942 + 1062 = 20072
  22. 2874 x 57 = 163818
  23. Rt triangle:
    Two sides 52 & 48, third is 20
  24. 5862 x 273 = 1600326
  25. 33(1/3)% of 5490 is 1830