A student multiplied a number by 3/5 instead of 5/ What is the percentage of error in the calculation?
সমাধান
সঠিক উত্তর: Option D
Error %= error / true value
but, here.. error= true value-false value
ie., error=(5/3)-(3/5)=16/5
so the error % will be equal to (16/5)/(5/3)=64%
(since, true value is 5/3)
