While calculating, if a boy multiplied a number by 2/5 instead of 5/2, then the error percentage is:

While calculating, if a boy multiplied a number by 2/5 instead of 5/2,

1.	While calculating, if a boy multiplied a number by 2/5 instead of 5/2, then the error percentage is:
A.	64%
B.	84%
C.	56%
D.	72%
Answer» C. 56%